Preeyaphan Udomprasert, Thaveewat Tassanawat, and Thanasorn Thipayarak. “Impacts of Feeding BOSPROTM on Reproduction and Lactation Performance of Lactating Holsteins”. Agriculture and Natural Resources 27, no. 2 (June 30, 1993): 186–193. accessed August 29, 2026. https://li01.tci-thaijo.org/index.php/anres/article/view/241719.