Riniarti, Dewi, Any Kusumastuti, and M. Tahir. “Pengaruh Jenis Limbah Agro Industri Terhadap Keragaan Bibit Sawit Main Nursery Pada Ultisol”. Jurnal Penelitian Pertanian Terapan 13, no. 2 (July 5, 2017). Accessed May 17, 2021. https://jurnal.polinela.ac.id/index.php/JPPT/article/view/175.