Primanto, A. ., & Puspitasari, L. . (2022). Analysis Of The Quality Of Service Driving License (SIM) C To Reduce The Number Of Traffic Violations At Polrestabes Satlantas Office Semarang City. International Journal of Social Science, Education, Communication and Economics, 1(4), 515–530. https://doi.org/10.54443/sj.v1i4.63