“BORON – HARA MIKRO ESENSIAL UNTUK TANAMAN KELAPA SAWIT”. WARTA Pusat Penelitian Kelapa Sawit 28, no. 2 (July 3, 2023): 71–84. Accessed September 8, 2026. https://warta.iopri.org/index.php/Warta/article/view/105.