Djatmiko, I.W. 2016. A STUDY ON THE EMPOWERING TEACHERS’ PROFESSIONAL DEVELOPMENT AND QUALITY ASSURANCE TO INCREASE TEACHERS’ EFFECTIVENESS IN VOCATIONAL SECONDARY SCHOOLS. Jurnal Pendidikan Teknologi dan Kejuruan. 23, 2 (Oct. 2016), 144–151. DOI:https://doi.org/10.21831/jptk.v23i2.13182.