Djego, Yohanes, Johny Kihe, and Petrus Kune. 2022. “The Estimate of Repitability of Performances at Birth and Weaning Age of Duroc Crossbred Sows”. Journal of Tropical Animal Science and Technology 4 (1), 17-24. https://doi.org/10.32938/jtast.v4i1.2185.