Hendrianto, Hendrianto, Mohammad Yunus, and Burhanuddin Nasir. 2019. “Dosis Efektifekstrak Umbi Gadung (Discorea Hispida Dennst) Terhadap Spodoptera Exigua Hubner Pada Tanaman Bawang Merah (Allium Ascalonicum L.)”. AGROTEKBIS : JURNAL ILMU PERTANIAN (e-Journal) 7 (3), 306 -12. http://103.245.72.23/index.php/agrotekbis/article/view/432.