Chalil, Diana, and Riantri Barus. “Can Oil Palm Smallholders Become Financially Independent?”. Jurnal Penelitian Kelapa Sawit 32, no. 2 (August 13, 2024): 129-139. Accessed October 16, 2024. https://jurnalkelapasawit.iopri.org/index.php/jpks/article/view/264.