Ernayunita, Ernayunita, Sri Wening, Hernawan Y Rahmadi, Yurna Yenni, and Taryono Taryono. “Conservation of Pisifera Genetic Resources: Callogenesis of 41 Years Old SP540T - Derived Oil Palm”. Jurnal Penelitian Kelapa Sawit 29, no. 2 (August 24, 2021): 73-80. Accessed October 21, 2021. https://jurnalkelapasawit.iopri.org/index.php/jpks/article/view/147.