Sajjaphatanakul, Apaichon, and Charin Mangkhang. “The Scenario of Future Environmental History Instruction to Develop Sustainable Global Citizenship in Thailand”. Humanities, Arts and Social Sciences Studies 19, no. 2 (July 15, 2019): 242–255. accessed October 3, 2026. https://so02.tci-thaijo.org/index.php/hasss/article/view/98407.