(1991). Genetic and Phenotypic Associations of Milk Traits with Age at Calving and with Length of Open Period, Dry Period and Lactation. EKB Journal Management System, 28(2), 131-146. doi: 10.21608/ejap.1991.120595
. "Genetic and Phenotypic Associations of Milk Traits with Age at Calving and with Length of Open Period, Dry Period and Lactation". EKB Journal Management System, 28, 2, 1991, 131-146. doi: 10.21608/ejap.1991.120595
(1991). 'Genetic and Phenotypic Associations of Milk Traits with Age at Calving and with Length of Open Period, Dry Period and Lactation', EKB Journal Management System, 28(2), pp. 131-146. doi: 10.21608/ejap.1991.120595
Genetic and Phenotypic Associations of Milk Traits with Age at Calving and with Length of Open Period, Dry Period and Lactation. EKB Journal Management System, 1991; 28(2): 131-146. doi: 10.21608/ejap.1991.120595