Narong Chungsamarnyart, Sugunya Mahatheeranont, Chainarong Rattankkreetakul, Suratwadee Jiwajinda and Weerapol Jansawan (1992) “Isolation of Acaricidal Substances against Tropical Cattle Ticks from Sugar Apple Seeds”, Agriculture and Natural Resources. Bangkok, Thailand, 26(5), pp. 41–45. available at: https://li01.tci-thaijo.org/index.php/anres/article/view/241870 (accessed: 18 September 2026).