Nanthawisut, U-maporn, and Dr.Chuan  Parunggul . 2020. “The Relationship Between Transformatioal Leadership of School Administrators with Academic Administration Under Ratchaburi Primary Educational Service Area Office I”. Saengtham College Journal 12 (1). Nakhon Phathom, Thailand:89-105. https://so01.tci-thaijo.org/index.php/scj/article/view/245803.