“GREEN PURCHASING: AN EFFECTIVE INTEGRATED PROCESS OF SUPPLY CHAIN PERSPECTIVE IN MTT PRIORITY”. Journal of Technology and Operations Management 13, no. 2 (December 25, 2018): 12–23. Accessed May 30, 2026. https://e-journal.uum.edu.my/index.php/jtom/article/view/jtom2018.13.2.2.