Mujahid, M. et al. 2021. Customer Satisfaction Analysis Using Package and Document Delivery Services Pt. Indonesian Post (Case Study of Makassar Central Post Office). International Journal of Health, Economics, and Social Sciences (IJHESS). 3, 4 (Oct. 2021), 294–303. DOI:https://doi.org/10.56338/ijhess.v3i4.1904.