Noiming A, Tongpanchan P, Silabut P, Pothivat S. Servant Leadership of the Basic Education School Principals : The Study to Create Grounded Theory . J Roi Et [Internet]. 2020 Dec. 13 [cited 2024 Apr. 26];14(3):105-16. Available from: https://so03.tci-thaijo.org/index.php/reru/article/view/228291