Saengson, Sukanya, Supapon Pongpinyoopas, and Kwandow Jamjang. 2023. “Strategies for Managing Early Childhood Education in Schools Under Kamphaeng Phet Primary Educational Service Area Office 1 and Office 2”. Humanities and Social Sciences Journal of Pibulsongkram Rajabhat University 17 (2):587-603. https://doi.org/10.14456/psruhss.2023.42.