Suthijit Choengthong, Suchart Choengthong, Nongnuch Aungyureekul and Saitip Soraj 2020. Financial Assessment of Smallholder Oil Palm Production in Unsuitable Areas of Surat Thani Province, Thailand. International Journal of Business and Society. 21, 3 (Dec. 2020), 1296-1309. DOI:https://doi.org/10.33736/ijbs.3350.2020.