1. Afzal, M. &Muneer, R. (1988). Research on haemorrhagic septicaemia in Pakistan. In:Proceedings of the Meeting on Livestock Diseases in SAARC Countries. May, 22 to 25 1988. National Agricultural Research Centre, Islamabad, Pakistan, pp 66–75.
2. Blajan, L. (1988). Veterinary Information Systems.Revue Scientifique et Technique Office International des Epizooties,7, 441–442.
3. Egenolf, P. (1990). Health and production problems of smallholders' ruminants in the Punjab, Pakistan.Animal Research and Development,32, 104–111.
4. Hurd, H. S. &Kaneene, J. B. (1990). The National Animal Health Monitoring System in Michigan. II. Methodological issues in the estimation of frequencies of diseases in a prospective study of multiple dynamic populations.Preventive Veterinary Medicine,8, 115–125.
5. Ishaq, S. M. (1972). Ninth Annual Report. Directorate of Livestock Farms, Punjab, Lahore, p 148.