Saengsuriyan, Phithan, and Phassakorn Dokchan. “FACTORS AFFECTING PUBLIC PROCUREMENT EFFICIENCY IN THE DIGITAL AGE”. Journal of Srilanchang Review 12, no. 1 (June 30, 2026): 227–236. accessed September 28, 2026. https://so06.tci-thaijo.org/index.php/jslc/article/view/300216.