Randy, M.F. 2020. ANALISIS CUSTOMER RELATIONSHIP MANAGEMENT TERHADAP LOYALITAS MELALUI KEPUASAN PELANGGAN PT PELABUHAN INDONESIA IV (PERSERO) MAKASSAR. AkMen JURNAL ILMIAH. 17, 4 (Dec. 2020), 590–598. DOI:https://doi.org/10.37476/akmen.v17i4.1150.