วดีศิริศักดิ์ ข, มุสิกานนท์ ช. DEVELOPMENT OF SCHOOL ADMINISTRATION STRATEGIES FOR THE VOCATIONAL CERTIFICATE AND VOCATIONAL LEVEL IN VOCATIONAL EDUCATION IN SAKON NAKHON PROVINCE. JMND [Internet]. 2020 Jan. 23 [cited 2024 Apr. 28];6(10):5927-38. Available from: https://so03.tci-thaijo.org/index.php/JMND/article/view/228346