(1990). Factors for standardizing 305-day lactation records of Friesian cows for age at calving. Egyptian Journal of Animal Production, 27(2), 161-170. doi: 10.21608/ejap.1990.120873
. "Factors for standardizing 305-day lactation records of Friesian cows for age at calving". Egyptian Journal of Animal Production, 27, 2, 1990, 161-170. doi: 10.21608/ejap.1990.120873
(1990). 'Factors for standardizing 305-day lactation records of Friesian cows for age at calving', Egyptian Journal of Animal Production, 27(2), pp. 161-170. doi: 10.21608/ejap.1990.120873
Factors for standardizing 305-day lactation records of Friesian cows for age at calving. Egyptian Journal of Animal Production, 1990; 27(2): 161-170. doi: 10.21608/ejap.1990.120873
Factors for standardizing 305-day lactation records of Friesian cows for age at calving