Pharamcotoxic Activity and Efficacy of Doramectin in Goats (2001), M.V.Sc thesis, University of Khartoum, Sudan.

Comparative Efficacy and Economic Impact of Some Commonly Used Antibiotics and Anthelmintics in the Veterinary Field in Sudan. (2008), Ph.D thesis, University of Khartoum, Sudan.

Osman, K.M., Hassan, T., El Sanousi, S.M., Ibrahim, K.E.E. 2010. Comparative efficacy of two different formulations of oxytetracycline commonly used in the veterinary filed in the Sudan and their economic impact. In proceedings of the 10th scientific vet.med. conference , faculty of Veterinary Medicine, Zagazig University.