Nuananong Piyapan, Tipvadee Attathom. Comparative Studies on the Use of Nuclear Polyhedrosis Virus and Alphacypermethrin for Controlling Cotton Bollworm, Helicoverpa armigera (Hubner) (Lepidoptera : Noctuidae) on Tomato. Agr. Nat. Resour. [internet]. 1992 Jun. 30 [cited 2026 Sep. 17];26(2):131-40. available from: https://li01.tci-thaijo.org/index.php/anres/article/view/241766