Jaya Putra, R. and Alexandrina, E. 2019. Relationship Marketing on Loyal Customer: A Descriptive Study of Total Bangun Persada’s Customer Care Department. Ultimacomm: Jurnal Ilmu Komunikasi. 11, 1 (Jun. 2019), 53–68. DOI:https://doi.org/10.31937/ultimacomm.v11i1.1169.