SOKKAR, I., NAFEI, E., IBRAHIM, A., SHAHATA, M., MOUSA, S., HASHIM, S., A. EL-TAMAWI*, A. (1985). 'THE ROLE PLAYED BY MICROBIAL INFECTIONS ON HATCHABILITY RATE OF DUCK - EMBRYOS', Assiut Veterinary Medical Journal, 14.2(28), pp. 225-233. doi: 10.21608/avmj.1985.190223