Fadli Pangaribuan, I., R. Diah Setiowati, S. Wening, D. Rahma Pratiwi, E. Novandi Ginting, C. Mardiana, and E. Ernayunita. “Morphological Response of Oil Palm Seedlings to Fertilizer Application”. Jurnal Penelitian Kelapa Sawit, Vol. 33, no. 2, Aug. 2025, pp. 105-20, doi:10.22302/iopri.jur.jpks.v33i2.294.