Rahman, Selmiana, Flora Pasaru, and Shahabuddin Shahabuddin. 2018. “Pengaruh Ekstrak Rimpang Jeringau (Acorus Calamus L.) Terhadap Larva Ulat Daun Bawang Merah, Spodoptera Exigua Hubn.”. AGROTEKBIS : JURNAL ILMU PERTANIAN (e-Journal) 6 (3), 354 -62. http://jurnal.faperta.untad.ac.id/index.php/agrotekbis/article/view/369.