Siregar, Heri Adriwan, Hernawan Yuli Rahmadi, Retno Diah Setiowati, and Edy Suprianto. “VEGETATIVE AND BUNCH COMPONENTS OF FIRST PSEUDOBACKCROSS OF Elaeis Oleifera BRAZIL AND SURINAME ORIGIN IN NORTH SUMATRA, INDONESIA”. Jurnal Penelitian Kelapa Sawit 26, no. 1 (April 1, 2018): 23-28. Accessed April 16, 2024. http://jurnalkelapasawit.iopri.org/index.php/jpks/article/view/13.