Hasibuan, Syahbudin, Hamdani Hamdani, and Retno Astuti Kuswardani. 2023. “The Effect of Empty Bunch Applications on Production of Oil Palm”. Jurnal Penelitian Kelapa Sawit 31 (3), 191-200. https://doi.org/10.22302/iopri.jur.jpks.v31i3.263.