Gebreyohannes, Gebregziabher, Skorn Koonawootrittriron, Mauricio A. Elzo, and Thanathip Suwanasopee. 2016. “Estimation of genetic parameters using a random regression monthly test-day model in an Ethiopian dairy cattle population”. Agriculture and Natural Resources 50 (1). Bangkok, Thailand:64-70. https://li01.tci-thaijo.org/index.php/anres/article/view/243885.