Phitthayaphinant, P., and . P. . Satsue. “Smallholder Oil Palm Farmers’ Information Exposure on Oil Palm Farming in Satun Province”. University of the Thai Chamber of Commerce Journal Humanities and Social Sciences, vol. 40, no. 2, June 2020, pp. 132-47, https://so06.tci-thaijo.org/index.php/utccjournalhs/article/view/239183.