Jitbomrung, Disapong. “Strategic Procurement in the Digital Era: A Conceptual Framework for the Development of Integrated Procurement Techniques”. Local Administration Journal 19, no. 3 (September 28, 2026): 319–335. accessed October 3, 2026. https://so04.tci-thaijo.org/index.php/colakkujournals/article/view/287287.