Kusuma Wardani, G., and E. Santosa. “Oil Palm Biomass Production At Sei Air Hitam Plantation , First Resources Rokan Hulu, Riau”. JURNAL AGRONOMI TANAMAN TROPIKA (JUATIKA), Vol. 6, no. 1, Jan. 2024, pp. 29-38, doi:10.36378/juatika.v6i1.3410.