Ferguson, Carragh Yutiana, Hendi Paramita, and Indira Ratnasari. “Relationship Marketing Activities in Building Customer-Oriented Marketing Services”. Kanal: Jurnal Ilmu Komunikasi 9, no. 2 (March 30, 2021): 65-69. Accessed April 29, 2024. https://kanal.umsida.ac.id/index.php/kanal/article/view/1014.