(1980). The effect of some factors on oestrous cycle length in sheep. Egyptian Journal of Animal Production, 20(2), 157-161. doi: 10.21608/ejap.1980.134422
. "The effect of some factors on oestrous cycle length in sheep". Egyptian Journal of Animal Production, 20, 2, 1980, 157-161. doi: 10.21608/ejap.1980.134422
(1980). 'The effect of some factors on oestrous cycle length in sheep', Egyptian Journal of Animal Production, 20(2), pp. 157-161. doi: 10.21608/ejap.1980.134422
The effect of some factors on oestrous cycle length in sheep. Egyptian Journal of Animal Production, 1980; 20(2): 157-161. doi: 10.21608/ejap.1980.134422
The effect of some factors on oestrous cycle length in sheep