Nainggolan, Viona, Micha Snoverson Ratu Rihi, and Saidin Nainggolan. 2025. “Influence Factor Social and Economy to Productivity Oil Palm Plantation Self-Reliance in Subdistrict Mersam Regency Batanghari-Indonesia”. Randwick International of Social Science Journal 6 (2), 202-10. https://doi.org/10.47175/rissj.v6i2.1140.