Markvichitr, Kanchana, Preecha Innuraksa, Sornthep Tumwasorn, and Sittichai Kaewsuwan. “Reproductive and Growht Performance Test of Crossbreds Beef Bulls ( 1/2 Charolais 1/4 Brahman 1/4 Native) for Beef Production Efficinecy Improvement in Thailand”. Agriculture and Natural Resources 31, no. 3 (September 30, 1997): 297–304. accessed August 28, 2026. https://li01.tci-thaijo.org/index.php/anres/article/view/240941.