ปราชญ์ประยูร สุชัญญา, Attharangsun นวลละออง, and Vongka คมกริช. “Relationship Between Product Value Creativity and Performance of OTOP Businesses in Mahasarakham Province”. Journal of Accountancy and Management 13, no. 4 (December 16, 2021): 13–23. Accessed July 4, 2022. https://so02.tci-thaijo.org/index.php/mbs/article/view/241528.