A. A. R. D. Lubis and H. Marpaung, “Assessing the Impact of Sustainable Independent Oil Palm Cultivation on Rural Development: A Case Study of Angkola Sangkunur Sub-District, South Tapanuli Regency”, AMJEL, vol. 1, no. 2, pp. 12–19, Sep. 2024, doi: 10.70471/wrr95s87.