Somnuk Wongtong, and Pitakpong Pompranee. 1995. “The Response of American Bollworm Moth, Helicoverpa armigera (Hubner) (Lepidoptera : Noctuidae) to Pheromone Trapping in tomato Fields”. Agriculture and Natural Resources 29 (1). Bangkok, Thailand:109-14. https://li01.tci-thaijo.org/index.php/anres/article/view/241281.