H. K. Yahaya, O. O. Oni, G. N. Akpa, and I. A. Adeyinka, “ESTIMATION OF GENETIC PARAMETERS OF VARIOUS ECONOMIC TRAITS IN A CLOSED POPULATION OF FEMALE LINE LAYER TYPE CHICKENS UNDER SHORT TERM SELECTION”, Emir J Food Agric, vol. 21, no. 1, pp. 59–64, Oct. 2017.