1. Pocket Companion to Veterinary Medicine;Blood,1999
2. Bovine farcy: clinico-pathological study of the disease and its etiologic agents;Hamid;J. Comp. Pathol.,1991
3. Unusual manifestation of a concurrent demodectic and sarcoptic mange in a Zebu-Friesian cross-bred heifer: clinical communication;Hamid;J. S. Afr. Vet. Assoc.,2006
4. Kahn, C.M. (Ed.), 2010. Merck Veterinary Manual, tenth ed. Merck & Co., Inc., Whitehouse Station, NJ.
5. Kampa, J., 2006. Epidemiology of Bovine Viral Diarrhoea Virus and Bovine Herpesvirus type 1 Infections in Dairy Cattle Herds (Doctoral thesis). Swedish University of Agricultural Sciences, Uppsala.