Nang Htang, Lahpai, and Sovaritthon Chanseangsee. 2022. “Child-Friendly School improvement guideline for lower secondary schools in the Kachin area of Myanmar”. Kasetsart Journal of Social Sciences 43 (1):209–216. https://so04.tci-thaijo.org/index.php/kjss/article/view/257017.