Putinella, June, and Andreas Latupapua. “Pemberian Bahan Organic Soil Treatment Dan Pupuk Kandang Kotoran Ayam Untuk Perubahan Beberapa Sifat Fisik Ultisol”. JURNAL PERTANIAN KEPULAUAN 6, no. 2 (April 26, 2023): 91-99. Accessed December 23, 2024. https://ojs3.unpatti.ac.id/index.php/jpk/article/view/8411.