Phankhong, Thienchai, Amornrat Chumthong, and Worapat Saisin. “Factors Affecting Black Glutinous Rice Buying Decisions of Consumers in Amphoe Singhanakorn and Amphoe Khlong Hoi Khong, Songkhla Province”. University of the Thai Chamber of Commerce Journal Humanities and Social Sciences 35, no. 2 (June 12, 2019): 18–29. Accessed May 5, 2024. https://so06.tci-thaijo.org/index.php/utccjournalhs/article/view/194198.