Venugopal, Vineetha, Mani Chellappan, and Berin Pathrose. 2024. “Trends in Insecticide Usage Among Bitter Gourd Farmers of Central Kerala: An Investigative Study”. Journal of Tropical Agriculture 61 (2):181-88. https://jtropag.kau.in/index.php/ojs2/article/view/1377.