Daryono. “Respon Pemberian Pupuk Rock Phosphate Terhadap Pertumbuhan Biji Kecambah Kelapa Sawit (Elaeis Guineensis Jacq) ”. Buletin Loupe 15, no. 02 (February 5, 2020): 24. Accessed December 22, 2024. https://e-journal.politanisamarinda.ac.id/index.php/jurnalloupe/article/view/37.