Lertpongpiroon, P. . “An Analysis Potential and Cost of Production of Community Enterprises in Ontai Sub-District for Sustainable Development”. Journal for Strategy and Enterprise Competitiveness, vol. 1, no. 1, Apr. 2022, pp. 18-31, https://so07.tci-thaijo.org/index.php/STECOJournal/article/view/357.