Bunyapapha S, Kohtbantau S. Service Leadership of School Administrators According to the Opinion of Teachers under the Jurisdiction of Chiang Mai Provincial Vocational Education Office. JRDI. RMU [Internet]. 2022 Dec. 27 [cited 2024 May 5];9(3):439-50. Available from: https://so03.tci-thaijo.org/index.php/rdirmu/article/view/256144