Intabtan , Rakkiat, Krisda Nantapetch, and Chittapol Chaimadan. 2021. “The Implementation on Policy and Investment Measures in Chiang Rai Special Economic Zone”. JOURNAL OF SOUTHERN TECHNOLOGY 14 (1):75-85. https://so04.tci-thaijo.org/index.php/journal_sct/article/view/241228.