. (1377). Effect of Different Levels of Vitamin A in Broiler Chicks on Immune Response to ND Vaccine. سامانه مدیریت نشریات علمی, 50(1), 59-63. doi: 10.22092/ari.1999.109179

. "Effect of Different Levels of Vitamin A in Broiler Chicks on Immune Response to ND Vaccine". سامانه مدیریت نشریات علمی, 50, 1, 1377, 59-63. doi: 10.22092/ari.1999.109179

. (1377). 'Effect of Different Levels of Vitamin A in Broiler Chicks on Immune Response to ND Vaccine', سامانه مدیریت نشریات علمی, 50(1), pp. 59-63. doi: 10.22092/ari.1999.109179

. Effect of Different Levels of Vitamin A in Broiler Chicks on Immune Response to ND Vaccine. سامانه مدیریت نشریات علمی, 1377; 50(1): 59-63. doi: 10.22092/ari.1999.109179