Haminin, Haminin, Tutik Nugrahini, and Purwati Purwati. “Pengaruh Penunasan Dan Pemberian Pupuk NPK Phonska Terhadap Produksi Tanaman Kelapa Sawit (Elaeis Guineensis Jacq)”. Agrifarm: Jurnal Ilmu Pertanian 1, no. 2 (September 22, 2017): 49–54. Accessed April 20, 2024. https://journal.uwgm.ac.id/agrifarm/article/view/71.