Jirawatcharakorn, Thiti, Chanicha Moryadee, Chalita Thriyawanich, and Panyarak Kosanwat. “Carbon Credit Management in Supply Chain using Geographic Information System”. NKRAFA JOURNAL OF SCIENCE AND TECHNOLOGY 18, no. 2 (December 30, 2022): 99–111. accessed December 11, 2025. https://ph02.tci-thaijo.org/index.php/nkrafa-sct/article/view/247501.