Imran, Nur Azisyah, Muhammad Nur Hidayat, and Rusny Rusny. “Karakteristik Dan Kandungan Unsur Hara Nitrogen Pupuk Organik Cair Berbahan Dasar Urin Sapi”. Tarjih Tropical Livestock Journal 5, no. 2 (December 1, 2025): 100–106. Accessed August 5, 2026. https://jurnal-umsi.ac.id/index.php/tropical/article/view/997.