Sujadi, Sujadi, and Nanang Supena. “TAHAP PERKEMBANGAN BUNGA DAN BUAH TANAMAN KELAPA SAWIT”. WARTA Pusat Penelitian Kelapa Sawit 25, no. 2 (June 1, 2020): 64-71. Accessed June 7, 2025. https://warta.iopri.org/index.php/Warta/article/view/22.