Nuansara, M. . ., Teypinsai, N. . ., & Chutinatphuwadon , C. . . (2021). GUIDELINE FOR THE DEVELOPMENT OF OTOP AND BRAND PRODUCT TO INTERNATIONAL STANDARDS CHIANG RAI PROVINCE. Dusit Thani College Journal, 15(1), 119–134. Retrieved from https://so01.tci-thaijo.org/index.php/journaldtc/article/view/247433