Sanjaiprom S, Muenjam S. [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. J.Grad Res [Internet]. 2022 Dec. 31 [cited 2024 Apr. 23];13(2):29-43. Available from: https://so02.tci-thaijo.org/index.php/banditvijai/article/view/254130