“Residual Effect of Two Insecticides and Neem Oil Against Epilachna Beetle, Epilachna Vigintioctopunctata (Fab.) on Bitter Gourd”. Journal of the Bangladesh Agricultural University 10, no. 1 (October 3, 2012): 21–25. Accessed July 8, 2026. https://www.banglajol.info/index.php/JBAU/article/view/12034.