Mokalu, Novia, and James B. Kaligis. “DISEASE CONTROL PURPLE BLOTCH (Alternaria Porri L.) USING a PESTICIDEPLANT EXTRACT of BETEL LEAF ON the ONION PLANT (Allium Ceppa L.)”. Jurnal Agroekoteknologi Terapan 2, no. 1 (March 19, 2021): 7–10. Accessed December 22, 2024. https://ejournal.unsrat.ac.id/v3/index.php/samrat-agrotek/article/view/34063.