Boonphum S, Piampuechana N. THE RELATIONSHIP BETWEEN LEADERSHIP OF ADMINISTRATORS AND WORKING MOTIVATION OF TEACHERS IN EDUCATIONAL OPPORTUNITY EXPANSION SCHOOLS UNDER CHAIYAPHUM PRIMARY EDUCATIONAL SERVICE AREA OFFICE 1. JBER [Internet]. 2022 Apr. 30 [cited 2024 Apr. 19];8(1):204-16. Available from: https://so06.tci-thaijo.org/index.php/jber/article/view/256959