Kunchai, S., Thongngok, T. and Sritrakul, P. 2026. GUIDELINES FOR SUPPORTING TEACHERS’ MENTAL WELL-BEING IN PRIMARY SCHOOLS UNDER PHAYAO PRIMARY EDUCATION SERVICE AREA OFFICE 1. Journal of Education and Innovation. 28, 3 (Sep. 2026), 295073. DOI:https://doi.org/10.71185/jeiejournals.v28i3.295073.