Bunyadi, Weerasak, Soonthorn Arunno, and Chakthorn Surisaeng. 2022. “Principles and theories of learning and sustainable development”. JOURNAL MAHA CHULA TANI MAHACHULALONGKORNRAJAVIDYALAYA UNIVERSITY 4 (7):52-60. https://so02.tci-thaijo.org/index.php/mcupnpbcr/article/view/257220.