Thuengnak, N. . ., Rittidet, P. ., Klomduang, M. . and yosrawas, W. . (2021) “Upgrading OTOP Community Products”, Journal of Research and Development Institute Rajabhat Maha Sarakham University, 8(2), pp. 563–588. Available at: https://so03.tci-thaijo.org/index.php/rdirmu/article/view/251940 (Accessed: 7 May 2024).