Sathaporn Jittapalapong, Arkom Sangwaranond, Burin Nimsuphan, Tawin Inpankaew, Chamnonjit Phasuk, Nongnuch Pinyopanuwat, Wissanuwat Chimnoi, Chanya Kengradomkij, Pipat Arunwipat, and Tanit Anakewith. “Prevalence of Gastro-Intestinal Parasites of Dairy Cows in Thailand”. Agriculture and Natural Resources, vol. 45, no. 1, Feb. 2011, pp. 40-45, https://li01.tci-thaijo.org/index.php/anres/article/view/245131.