EL-SHINNAWY, M., HUSSEN, N., EL-NIMR, M., MOHSEN, A., ZAGHAWA, A., WASSEL, M., EL-EBIARY, E., ZAKI, F. (1993). 'AN EPIDEMIOLOGICAL STUDY ON RIFT VALLEY FEVER IN SHEEP IN EGYPT.', Assiut Veterinary Medical Journal, 28.2(56), pp. 128-139. doi: 10.21608/avmj.1993.186383