Aroonsrimorakot, S. and Laiphrakpam, M. (2024) “ISO 20400 guidance standard for sustainable procurement: a search for challenges and recommended strategies for successful implementation”, Interdisciplinary Research Review, 19(4). available at: https://ph02.tci-thaijo.org/index.php/jtir/article/view/251911 (accessed: 13 September 2026).