Putri Ad’ha, Nadia, Khairul Rizal, Yusmaidar Sepriani, and Fitra Syawal Harahap. “STUDY OF THE EFFECTIVENESS OF COMPOST FROM OIL PALM EMPTY FRUIT BUNCH (OPF) WASTE AS AN ALTERNATIVE SOURCE OF POTASSIUM (K) ON NUTRIENT ABSORPTION AND OIL PALM YIELD IN PANGKATAN PLANTATION OF PT. EVANS GROUP”. International Journal of Social Science, Educational, Economics, Agriculture Research and Technology (IJSET) 5, no. 3 (February 28, 2026): 1729–1734. Accessed June 27, 2026. https://ijset.org/index.php/ijset/article/view/1675.