Walianggen, Arviana. “Biochar Rice Husk Charcoal on Growth and Production of Long Bean Plants (Vigna Sinensis L.): Formulation Analysis”. AGARICUS: Advances Agriculture Science & Farming 2, no. 1 (June 30, 2022): 1–6. Accessed December 23, 2024. https://ejournal.unwaha.ac.id/index.php/agaricus/article/view/2768.