Nugroho, O. A., Widhi, A. R. K., & Kumbarasari, S. (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