10.14456/wjst.2016.5Stapaporn KERDSUWAN, Sompong TE-CHATODirect Somatic Embryo Formation from Roots of In Vitro-Seedlings of Oil Palm (Elaeis Guineesis Jacq.)Oil palm, somatic embryogenesis, in vitro-seedling, proembryonic mass (PEM), root1, 13, Walailak Journal of Science and TechnologyWalailak University2016Article