Rochana, Totok, Maman Rachman, Achmad Slamet, and Achmad Rifai. 2018. “Developing a Multicultural-Based Sociology Instructional Training Management Model to Improve the Teachers’ Professional Competence in Semarang City”. The Journal of Educational Development 6 (3), 312-22. https://doi.org/10.15294/jed.v6i3.24283.