Zailani, A., Harahap, F. S., Walida, H., & Rizal, K. (2026). Identification of Soil Chemical Properties in Producing Oil Palm Plants in Kota Pinang District (Barumun Watershed Case Study). Proceeding of International Conference Technology, Economics, and Social Science, 1(1), 712-716. Retrieved from https://journals.adaresearch.or.id/ictess/article/view/228