Lumbanraja, Bogor, and Jontra Jusat Pangaribuan. 2022. “PRINCIPALS’ COMPETENCIES AND TEACHERS’ JOB SATISFACTION AT DON BOSCO SCHOOLS UNDER THE CENTRAL FOUNDATION IN MANADO: BASIS FOR ENHANCEMENT PROGRAM FOR SCHOOL PRINCIPALS”. Journal of Classroom Action Research 1 (2):50-68. https://doi.org/10.52622/jcar.v1i2.104.