แสงเดือนสายฝน, อิ่มสวาสดิ์ประยูร, and รักงามชัยพจน์. “Factors Affecting the Teachers’ Teamwork in the Child Development Centers in Chanthaburi Province”. Journal of Graduate School, Pitchayatat, Ubon Ratchathani Rajabhat University 15, no. 3 (December 8, 2020): 209-218. Accessed June 15, 2021. https://so02.tci-thaijo.org/index.php/Pitchayatat/article/view/245994.