Thonthong, Sirimongkol, and Sasirada Paengthai. 2019. “The Model of Early Childhood Education Management, Education Era 4.0Of Educational Institutions under the Office of the Basic Education Commission”. Journal of Graduate MCU KhonKaen Campus 6 (3):490-502. https://so02.tci-thaijo.org/index.php/jg-mcukk/article/view/215477.