Fenty Maimunah Simbolon, Sulaiman Ginting, S. Edy Sumantri, Mahyuddin Dalimunthe, and Diski Andrian. “EFFECTIVENESS OF GREEN BETEL LEAF EXTRACT (Piper Betle) FOR CONTROLLING SOYBEAN LEAF RUST DISEASES Phakopsora Pachyrhizi”. IJCS: International Journal of Community Service 1, no. 2 (December 30, 2022): 71–77. Accessed May 12, 2024. https://ejournal.ipinternasional.com/index.php/ijcs/article/view/298.