Ounchaichon, K. (1989) “Insecticide Resistance of the Cotton Bollworm Larvae (Heliothis armigera) ”, Thai Agricultural Research Journal, 7(1-3), pp. 59–64. available at: https://li01.tci-thaijo.org/index.php/thaiagriculturalresearch/article/view/245053 (accessed: 30 September 2026).