Surangsrirat, Teerin, Natcha Krimjai, Chanidapa Deesukanan, and Chonkanok Kositkanin. “Influence of Causal Factors on Competitive Advantage for One Tambon One Product (OTOP) Manufacturer in Thailand”. Ph.D. in Social Sciences Journal 11, no. 2 (August 30, 2021): 321–337. Accessed May 9, 2024. https://so05.tci-thaijo.org/index.php/phdssj/article/view/194582.