Houngkaewprai, S., Meesanga, J. and Monthaisong, T. 2026. The Guidelines for Academic Administration of Early Childhood Affairs in School under Phranakhon Si Ayutthaya Primary Educational Service Area Office 1. Journal of Faculty of Humanities and Social Sciences Thepsatri Rajabhat University . 17, 1 (Apr. 2026), 87–108.