Sunardiyah, M. A. .; Wibawa, S. .; Supriyoko, S.; Susanto, M. R. .; Sudirman, A. . USING THE LEADERSHIP TRILOGY OF KI HADJAR DEWANTARA AS THE BASIS FOR IMPLEMENTING THE FLIPPED CLASSROOM MODEL IN ELEMENTARY SCHOOLS. COMMUSER EMPO ENGA 2023, 3, 77-97.