Supriyanta, Bambang, Sari Virgawati, and Septi Sri Rahmawati. “Soil Quality Enhancement for Sustainable Shallot (Allium Ascalonicum L.) Cultivation in Central Kalimantan”. RSF Conference Series: Engineering and Technology 4, no. 1 (October 15, 2025): 627–637. Accessed October 20, 2025. https://proceeding.researchsynergypress.com/index.php/cset/article/view/1041.