Pongsittikanchana, T., and C. Pongsittikanchana. “Causal Relationship Model Affecting Operational Sustainability Social Enterprise of Community Enterprises of the Western Region, Thailand”. Arts of Management Journal, vol. 5, no. 3, Sept. 2021, pp. 780-97, https://so02.tci-thaijo.org/index.php/jam/article/view/250797.