Sanjaiprom, Saiphon, and Samnao Muenjam. 2022. “[RETRACTED] The Participatory Action Research to Enhance Karen Ethnic Students’ Reading and Whriting for Border Patrol Police Schools in Chiang Mai and Mae Hong Son Provinces: A Case Study of Ban Mai Pattana Santi School and Ban Mae La Ngiw School”. Journal of Graduate Research 13 (2):29-43. https://so02.tci-thaijo.org/index.php/banditvijai/article/view/254130.