Narong Chungsamarnyart, Sugunya Mahatheeranont, Chainarong Rattankkreetakul, Suratwadee Jiwajinda, & Weerapol Jansawan. (1992). Isolation of Acaricidal Substances against Tropical Cattle Ticks from Sugar Apple Seeds. Agriculture and Natural Resources, 26(5), 41–45. retrieved from https://li01.tci-thaijo.org/index.php/anres/article/view/241870