Ratwatthananon A, Yooboon T, Bullangpoti V, Pluempanupat W. Insecticidal activity of Piper retrofractum fruit extracts and isolated compounds against Spodoptera litura. Agr. Nat. Resour. [Internet]. 2020 Aug. 31 [cited 2024 May 6];54(4):447–452. Available from: https://li01.tci-thaijo.org/index.php/anres/article/view/247965