Tamrin, Usman, Halim Halim, and Syarif Ahmad. “FACTORS THAT INFLUENCE THE PERFORMANCE OF COMPLAINT HANDLING OFFICER (CHO) IN THE WORKING UNIT CALL CENTER TELKOMSEL MAKASSAR”. Jurnal Administrasi Negara 24, no. 3 (December 18, 2018): 149–160. Accessed October 5, 2022. https://journal.stialanmakassar.ac.id/index.php/jurnal_administrasi_negara/article/view/212.