SETIOWATI, R. D.; YENNI, Y.; PANJAITAN, F. R. .; SUJADI, S.; IRFAN LUBIS, M. .; ERNAYUNITA, E. Preliminary Study of Vitamin E Content in IOPRI’S Oil Palm Varieties. Jurnal Penelitian Kelapa Sawit, [S. l.], v. 29, n. 3, p. 159–166, 2021. DOI: 10.22302/iopri.jur.jpks.v29i3.153. Disponível em: https://jurnalkelapasawit.iopri.org/index.php/jpks/article/view/153. Acesso em: 4 sep. 2026.