Hayiwangoh, nihafeezar, Piyaruk Pradabphetrat, Vichit Rangpan, Sunwanee Jijai, and Eleeyah Saniso. “Carbon Footprint Assessment and Actions to Promote Green Universities of Rajabhat University Southern Area Group in Thailand”. Interdisciplinary Research Review 18, no. 4 (August 31, 2023). accessed December 8, 2025. https://ph02.tci-thaijo.org/index.php/jtir/article/view/248346.