ทองแกม กศิพัฎญ์, and แพงสร้อย โฆสิต. “THE PROBLEMS AND SOLUTION OF OTOP PRODUCTS BASED ON THE METHODS OF BUDDHISM IN UDON THANI PROVINCE”. Journal of MCU Nakhondhat 6, no. 7 (September 22, 2019): 3469–3488. Accessed April 25, 2024. https://so03.tci-thaijo.org/index.php/JMND/article/view/214897.