Paguno (Somboonprom), Phra Nadet, Phrakru Phisalsarbunthit, and Phrakrujiradhammathat. “Propose Guidelines for Community Development According to the Four Sangkhahawatthu Principles of OTOP Community People, Banbokwan, Khamp Bok Wan Sub-District, Nong Khai District, Nong Khai Province”. Journal of Modern Learning Development 7, no. 1 (August 28, 2021): 44–55. accessed October 3, 2026. https://so06.tci-thaijo.org/index.php/jomld/article/view/250812.