Ratwatthananon, Atcharee, Thitaree Yooboon, Vasakorn Bullangpoti, and Wanchai Pluempanupat. “Insecticidal Activity of Piper Retrofractum Fruit Extracts and Isolated Compounds Against Spodoptera Litura”. Agriculture and Natural Resources 54, no. 4 (August 31, 2020): 447–452. Accessed May 6, 2024. https://li01.tci-thaijo.org/index.php/anres/article/view/247965.