Yoodee, Chuttarika, and Panutsorn Jaruchainiwat. 2021. “Preschool Teacher’s Roles in Child Protection in School under the Office of Bangkok Primary Educational Service Area”. Journal of Humanities and Social Sciences, Rajapruk University 7 (2), 334-47. https://so03.tci-thaijo.org/index.php/rpu/article/view/254798.