Rosawanti, Pienyani. “Kandungan Unsur Hara Pada Pupuk Organik Tumbuhan Air Lokal: The Nutrient Content of Organic Fertilizers on Local Aquatic Plants”. Daun: Jurnal Ilmiah Pertanian dan Kehutanan 6, no. 2 (February 14, 2020): 140–148. Accessed April 4, 2025. https://ojs.umpr.ac.id/daun/article/view/1260.