Chaiyasit, W., and P. A. Yanamethi. “The Integrated Instruction With Thai History Study-Trip Project in English for the Third Year Students, English Major, Mahachulalongkornrajavidyalaya University, Chiang Mai Campus”. Lanna Journal of Buddhist Studies and Cultures, Vol. 1, no. 1, Jan. 2020, https://www.firstojs.com/index.php/LJBSC/article/view/236.