Kaewjunant, Saranrat, and Jakrapong Pongpeng. “Factors for Evaluating Building Sustainability of Contractors Affecting Competitive Advantage”. Engineering and Technology Horizons 37, no. 4 (December 22, 2020): 26–35. accessed August 27, 2026. https://ph01.tci-thaijo.org/index.php/lej/article/view/243460.