Wichai Suphalucksana, and F.A. Ching. 1991. “A Field Trial on the Efficacy of Ivermectin, Albendazole and Coumaphos Against Parasites of Buffaloes”. Agriculture and Natural Resources 25 (2). Bangkok, Thailand:256-60. https://li01.tci-thaijo.org/index.php/anres/article/view/241971.