1- Haroun, E.M. (1973). Observations on the serodiagnosis of animal and human schistosomiasis in the Sudan, Proceedings of the 6th Veterinary Conference, Wad Madani, Sudan.
2- Meetings of the Royal Society of Tropical Medicine and Hygiene, Edinburgh and Glasgow, 1977, 1987.
3- Workshop on the serodiagnosis of bovine systicercosis, Edinburgh, (1978) (The Scientific Veterinary Commission of the European Economic Community).
4- Workshop on Camels, Khartoum, 1979. (Sudanese National Council for Research and International Foundation for Science). Khartoum.
5- Haroun, E.M., (1981). Observations on the control of fascioliasis and schistosomiasis in livestock in the Sudan : Proceedings of the First Regional Veterinary Conference of Kordofan. El Obeid, Sudan (In Arabic).
6- A/Gadir, H. and Haroun, (1982). An immunization trial against fascioliasis in sheep. Proceedings of the 3rd. Pan-African Veterinary Congress. Khartoum.
7- Yagi, A.I. Haroun, E.M. (1982). Resistance to homologous challenge with Fasciola gigantica in cattle. Proceedings of the 3rd. Pan-African Veterinary Congress, Khartoum.
8- Younis, S. and Haroun, E.M. (1982). Stimulation of resistance against Fasciola gigantica in cattle with irradiated metacercariae of flukes. Proceedings of the 3rd. Pan-African Veterinary Congress, Khartoum.
9- Haroun, E.M. (1983). Studies on resistance to Fasciola gigantica infections in Sudanese animals First Research Coordination Meeting on “The use of Nuclear Techniques in the Study and Control of Parasitic Diseases of Farm Animals”, Nairobi, Kenya.
10-Haroun, E.M. A/Gadir, H. and Gameel, a.A. (1983). Ovine fascioliasis in the Sudan. Joint-IFS/ILCA Workshop on Current Small Ruminants Research in Africa. Addis Abbaba, Ethiopia. IFS Provisional Report No. 14, 285-294.
11-Haroun, E.M. and Hillyer, G.V. (1984). Studies on cross resistance between Fasciola heoatica and Schistosoma mansoni in sheep. Proceedings of the Joint Annual Meeting of the American Society of Tropical Medicine and Hygiene and the Royal Society of Tropical Medicine and Hygiene, Baltimore, USA.
12-Haroun, E.M. (1985). The impact of trematodes on animal health and production and prospects of control. Proceedings of the International Conference on Animal Production in Arid zones.pp 572-596 Damascus, Syria.
13-Symposium on Brucellosis; at the National Agriculture and Water Research Center. Riyadh (1987).
14-Farah, M.O. and Haroun, E.M. (1987). The pathology of Dictyocaulus cameli in dromedary lungs. Proceedings of the 10th symposium on the biological aspects of Saudi Arabia, Saudi Biological Society, Jeddah, Abstract p. 246.
15-Satellite Symposium; “animal Virus Diseases”. International Conference on the Impact of Viral diseases on health care and medical services in Saud Arabia and the Middle East. Riyadh, 1988.
16-Abdel Aziz, S.A., Omer, A. Haroun, E.M. and Farah, M.O. (1988). Toxicological and biochemical studies of Rhazya stricta “Harmal” in rats. Proceedings of the 11th symposium of the Saudi Biological Society. Yanbu, Abstract P. 164.
17-Farah, M.O., Abdel Azia, S.A. and Haroun, E.M. (1988). Chronic toxicity of Methidathion (Supercide) in sheep. Proceedings of the 11th symposium of the Saudi Biological Society. Yanbu, Abstract p. 170.
18-Farah, M.O., Haroun, E.M. and Abdel Aziz, S.A. (1989). Effect of carbendazim (bavistin) given orally to sheep. Proceedings of the 12th symposium of Saudi Biological Society. Riyadh. Abstract p. 143.
19-Farah, M.O., Abdel Aziz, S.A. and Haroun, E.M. (1989). Effect of oral adminstration of Tralkoxydim (Grasp), a herbicide in sheep. Proceedings of the 12th symposium of the Saudi Biological Society. Abstract p. 189.
20-Haroun, E.M., Farah, M.O. and Ibrahim, I.M. (1989). Copper status in sheep and goats of some farms in Gassim Region. Proceedings of the 12th symposium of the Saudi Biological Society. Riyadh. Abstrach p. 205.
21-Symposium on ways of improving the methods of immunization against Foot and Mouth disease in dairy farms of the Kingdom of Saudi Arabia. The National agriculture and Water Research Center. Riyadh (1992).
22-Magzoub, M., Omer, O.H. and Haroun, E.M. (1992). An outbreak of theileriosis (Theileria annulata) among Frisian cattle in El Qassim Area of Saudi Arabia. Saudi Biological Society. Buriedah. Abstract p. 97.
23-Mahmoud, O.M., Suliman, A., El Naenaeey, E.Y., Ammar, A., Abdel Hamid, Y., Haroun, E.M. and Ibrayim, I.A. (1992). Ovine Arthritis in Qassim Region. Proceedings of the Saudi Biological Society. Buriedah. Abstract p. 245.
24-Symposium on Foot and Mouth Disease in Saudi Arabia. The National Agriculture and Water Research Center. Riyadh, (1992).
25-Magzoub, M., Haroun, E.M., Mahmoud, O.M., Abdel Hamid, Y.M., Omer, O.H. and Ahmed, S.B. (1993). Preliminary survey studies of gastro-intestinal parasites of Najdi camels in Qassim area. Proceedings of the 14th symposium of the Saudi Biological Society, Jeddah, Abstract p. 118.
26-Mahmoud, O.M., Haroun, E.M. and Sulman, A. (1993). Hepatobiliary coccidiosis in a goat. Proceedings of the 14th symposium of the Saudi Biological Society. Jeddah. Abstract p. 226.
27-Morshaly, A., Saleh, R., Hagag, S. (1993). Detection of antibiotics in poultry meat in El-Gassim. Proceedings of the 14th symposium of the Saudi Biological Society, Jeddah.
28- Haroun, E.M., Mahmoud, O.M., Magzoub, M., Mustafa, Y. and Omer, O.H. (1994). Haematological and biochemical changes due to infection with gastrointestinal parasites in camels in Gassim Region. Proceedings of the 15th Symposium of the Saudi Biological Society, Makkah Al-Makkarrama.
29-Abdel-Hamid, M.Y.M., Magzoub, M., Mahmoud, O.M., Haroun, E.M. and Omer, O.H. (1994). Some epidemiological studies on parasitic diseases of camels in Saudi Arabia. Proceedings of the 15th Symposium of the Saudi Biological Society, Makkah Al-Makkarrama.
30-Ramadan, A., Harraz. F., Haroun, E.M. and Mahmoud, O.M. (1994). Effects of prolonged administration of Peganum harmala and Rhanterium epapposum of the Saudi Biological Society, Makkah Al-Makkarrama.
31-Haroun, E.M., Ramadan, A., Harraz, F. and Mahmoud, O.M. (1994). Administration of extracts of Heliotropium bacciferum and Peganum harmala on Najdi sheep. Proceedings of the 15th symposium of the Saudi Biological Society, Makkah Al-Makkarrama.
32-Haroun, E.M., Mahoud, O.M., Magzoub, M., Mustafa, Y. and Omer, O.H. (1995). Studies on trypanosomes in camels in Gassim Region: The hematological and biochemical changes. Proceedings of the 16th symposium of the Saudi Biological Society. Riyadh, Abstract p. 73.
33-Mustafa, Y. Magzoub, M., Mahmoud, O.M., Haroun, E.M. and Omer, O.H. (1995). Studies on trypanosomiasis in camels in Gassim Region. The clinico-pathological changes. Proceedings of the 16th symposium of the Saudi Biological Society. Riyadh, Abstract. P. 72.
34-Ramadan, A., Harraz, F., Harroun, E.M. and Mahmoud, O.M. (1995). Protective effect of the fruit pulp of Adanosonia digitata against carbon tetrachloride induced hepatotoxicity in male rats. Proceedings of the 16th symposium of the Saudi Biological Society Riyadh. Abstract p. 62.
35-Haroun E.M., Magzoub, M., Mahmoud, O. and Omer, O.H. (1996). The pathological effects of the camel parasite Haemonchus longistipes on Naemi Sheep. Proceedings of the 17th symposium of the Saudi Biological Society, Buriedah.
36-Ramadan, A., Haroun, E.M., Mahmoud, O. and Harraz, F. (1996). Effect of prolonged administration of Prosopis julifora on Najdi sheep. Proceedings of the 17th symposium of the Saudi Biological Society. Buriedah.
37-Magzoub, M., Omer, O.H., Haroun, E.M. and Mahmoud, O.M. (1996). Preliminary survey studies of gastro-intestinal parasites of Najdi camels in Gassim area. Proceedings of the 17th symposium of the Saudi Biological Society. Buridah.
38-Haroun, E.M., Magzoub, M., Mahmoud, O.M., and Omer, O.H. (1998). Diagnosis of Trypanosome evansi in Saudi Arabian camels (Camelus dromedarius) by the passive haemagglutination test and Ag-Elisa. Proceedings of the 18th symposium of the Saudi Biological Society. Yanbu, Abstract p. 27.
39- Mahmoud, O.M., Elfaki, M.G., Haroun, E.M. and Sulman, A. (1998). Unfamiliar lesions of viral hepatitis, colitis and nephritis cystitis in goats at Gassim Region, Central Saudi Arabia. Proceedings of the 18th symposium of the Saudi Biological Society. Yanbu, abstract p. 29.
40- Haroun, E.M., Magzoub, M., Mahmoud, O.M. and Omer, O.H. (2000). Some studies on trypanosomiasis in Najdi camels in Gassim Region. Proceeding of the 20th symposium of the Saudi Biological Soceity, Hofuf, Absract p. 92.
41-Omer, O. H., Haroun, E. M., Mahmoud , O. M. Abdel-Magied, E. M., EL-Malik, K. H., Hawas, A. and Magzoub, M. (2002). Proceedings of the 21st symposium of the Saudi Biological Society, Abha, Abstract p. 149.
42- Haroun,E.M.,Omer.O.H., Mahmoud, O.M. and Daraz A.A. (2006). Serological studies on hydatidosis in camels in Saudi Arabia. Proceedings of the International Scientific Conference on Camels. College of Agriculture and Veterinary Medicine, Qassim University, 9-11 May 2006. pp 617 – 622.
43- Al-Qarawi, A. A., Ali, B. H., Haroun, E. M., AL-Sobayel, F. A., Al-Wabel, N. A. and Omer, O. H. (2006). Transportation stress in camels and goats. Proceedings of the International Scientific Conference on Camels. College of Agriculture and Veterinary Medicine, Qassim University, 9-11 May 2006. pp 1323 – 1330.
44- The 80th Assembly of the World Organization for Animal Health OIE, Paris,20-25 May 2012.
45- The 30th Arab Veterinary Medical Congress, organized by the Egyptian Veterinary Medical Association , Cairo, 12-14 May 2014 .
