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Fenty Maimunah Simbolon, Sulaiman Ginting, S. Edy Sumantri, Mahyuddin Dalimunthe, Diski Andrian. EFFECTIVENESS OF GREEN BETEL LEAF EXTRACT (Piper betle) FOR CONTROLLING SOYBEAN LEAF RUST DISEASES Phakopsora pachyrhizi. IJCS [Internet]. 2022 Dec. 30 [cited 2024 May 12];1(2):71-7. Available from: https://ejournal.ipinternasional.com/index.php/ijcs/article/view/298