Efektivitas Ekstrak Daun Mimba (Azadirachta indica A. Juss) terhadap Hama Ulat Grayak, Spodoptera frugiperda J.E. Smith Pada Tanaman Jagung. JEF. 2023;2(1):31-37. Accessed September 7, 2026. https://ejournal.unsrat.ac.id/v3/index.php/enfit/article/view/52499