Ratwatthananon, A. ., Yooboon, T. ., Bullangpoti, V. . and Pluempanupat, W. . (2020) “Insecticidal activity of Piper retrofractum fruit extracts and isolated compounds against Spodoptera litura”, Agriculture and Natural Resources. Bangkok, Thailand, 54(4), pp. 447–452. Available at: https://li01.tci-thaijo.org/index.php/anres/article/view/247965 (Accessed: 6 May 2024).