2018. VEGETATIVE AND BUNCH COMPONENTS OF FIRST PSEUDOBACKCROSS OF Elaeis oleifera BRAZIL AND SURINAME ORIGIN IN NORTH SUMATRA, INDONESIA. Jurnal Penelitian Kelapa Sawit. 26, 1 (Apr. 2018), 23–28. DOI:https://doi.org/10.22302/iopri.jur.jpks.v26i1.13.