Kedkaew S, Ounvichit T. Transformative learning model for Bangkok green lifestyle volunteers development. kasetsart J. Soc. Sci. [internet]. 2021 Apr. 30 [cited 2026 Sep. 28];42(2):351-6. available from: https://so04.tci-thaijo.org/index.php/kjss/article/view/251216