Mardiana, Siti, Sayyid Al-Fadhil Hasibuan, Sumihar Hutapea, and Saipul Sihotang. “Analysis of Organic Mulching on Soil Fertility and the Productivity of Sweet Corn (Zea Mays Saccharata Sturt L.)”. Jurnal Penelitian Pendidikan IPA 9, no. 8 (August 25, 2023): 6368–6377. Accessed November 24, 2024. https://jppipa.unram.ac.id/index.php/jppipa/article/view/4528.