คำชา ร. THE RELATIONSHIP BETWEEN TRANSFORMATIONAL LEADERSHIP OF ADMINISTRATOR AND ORGANIZATION CULTURE OF SPECIAL EDUCATIONAL SCHOOL FOR STUDENT WITH INTELLECTUAL DISABILITIES NORTHERN REGION, BUREAU OF SPECIAL EDUCATION ADMINISTRATION. ptujournal [internet]. 2020 Dec. 31 [cited 2026 Sep. 28];12(2):53-68. available from: https://so05.tci-thaijo.org/index.php/ptujournal/article/view/241974