| Professor Ahmed Hamed Alnori University of Al-Gezera, Director of Population Studies Center, Madeni, Sudan. |
| Dr. Ahmed El-Sheikh Mohamed Ahmed – University of Khartoum- Faculty of Economics and Social Studies- Dept. of Econometrics and Social Statistics. |
| Dr. Siddig Mohamed Ahmed – University of Khartoum- Faculty of Economics and Social Studies- Dept. of Econometrics and Social Statistics. |
| Dr. Arbab Ismail Babikr – University of Khartoum- Faculty of Economics and Social Studies- Dept. of Econometrics and Social Statistics. |
