Sinambela, Rismen. “A RIPENESS STUDY OF OIL PALM FRESH FRUIT AT THE BUNCH DIFFERENT POSITIONS”. Jurnal Keteknikan Pertanian 8, no. 1 (August 24, 2020): 9–14. Accessed August 8, 2026. https://journal.ipb.ac.id/jtep/article/view/27529.