Wongchaiya, M., Prasantree, T. and Sriputtarin , S. 2023. Situations, Needs, and Guidelines for Developing the Professional Learning Communities in the Schools under Amnat Charoen Primary Educational Service Area Office. Journal of Graduate School, Pitchayatat, Ubon Ratchathani Rajabhat University. 18, 1 (Apr. 2023), 157–167.