Rochana, T., Rachman, M., Slamet, A. and Rifai, A. (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), pp. 312-322. doi: 10.15294/jed.v6i3.24283.