Arsyad, S. and Imrannudin, I. (2017) “THE FAILURE OF CERTIFICATION PROGRAM TO UNIFY INDONESIAN TEACHERS’ PERCEPTION ON TEACHER PROFESSIONALISM: THE CASE OF BENGKULU JUNIOR AND SENIOR HIGH-SCHOOL TEACHERS”, TRIADIK, 15(2). doi: 10.33369/triadik.v15i2.2867.