Nugroho, Oktavianus Ardhian, Andreas Reky Kurnia Widhi, and Shanti Kumbarasari. 2022. “The Design of a Motorized Palm Portable Harvesting Tool Using a Flexible Shaft”. Jurnal Penelitian Kelapa Sawit 30 (2), 83-94. https://doi.org/10.22302/iopri.jur.jpks.v30i2.183.