Arkom Sangvaranond, Pirom Sriwaranard, & Chaiyoung Ukosakul. (1993). Study on Prevalence and Outbreak of Internal Parasites of Native and Cross-bred Cattle in Chachoengsao Province I. Study on Internal Parasites of Calves. Agriculture and Natural Resources, 27(3), 341–346. retrieved from https://li01.tci-thaijo.org/index.php/anres/article/view/241573