The Effectiveness of In-Service Training Program: The Case of Teachers’ Working Culture and Program Development Program Indonesia (A. A. Kopsasih, B. Sujanto, & W. . , Trans.). (2018). International Journal of Scientific Research and Management (IJSRM), 6(08), EM-2018. https://doi.org/10.18535/ijsrm/v6i8.el08