Wongsri, O., Thanarak, K., Srikul, S., Chawana, C., Omzubsin, V., Riyapan, Y., Promchue, S. and Kolasuek, S. 2019. Breeding of Oil Palm for High Yield : Hybrid Variety Suratthani 7. Thai Agricultural Research Journal. 37, 1 (Jun. 2019), 78–92. DOI:https://doi.org/10.14456/thaidoa-agres.2019.10.