Thongsuksaengcharoen ์., & Chalermvongsavej, W. (2023). The Guidelines for Promoting Healthy Large Size School under the Nonthaburi Secondary Educational Service Area Office. Dhammathas Academic Journal, 23(3), 85–96. retrieved from https://so06.tci-thaijo.org/index.php/dhammathas/article/view/265288