Tamrin, U., Halim, H., & Ahmad, S. (2018). FACTORS THAT INFLUENCE THE PERFORMANCE OF COMPLAINT HANDLING OFFICER (CHO) IN THE WORKING UNIT CALL CENTER TELKOMSEL MAKASSAR. Jurnal Administrasi Negara, 24(3), 149–160. https://doi.org/10.33509/jan.v24i3.212