Hasibuan, Syahbudin, Hamdani Hamdani, and Retno Astuti Kuswardani. “The Effect of Empty Bunch Applications on Production of Oil Palm”. Jurnal Penelitian Kelapa Sawit 31, no. 3 (November 29, 2023): 191-200. Accessed September 8, 2024. https://jurnalkelapasawit.iopri.org/index.php/jpks/article/view/263.