Buaklamtanakit, S., Kunagornpitak, P., & Amatariyakul, W. (2019). The 21st Century Teacher Skills Affecting Professional Learning Communities of Teachers in Schools for the Deaf under Special Education Bureau. Ubon Ratchathani Journal of Research and Evaluation, 8(1), 50–59. Retrieved from https://so06.tci-thaijo.org/index.php/ubonreseva/article/view/175784