Ifriza, Y. N., K. . Budiman, and A. S. . Ardiansyah. “Optimizing Social Media Promotion Strategy to Increase Customer Retention Rate (CRR) With GKG Customer Engagement”. Kinetik: Game Technology, Information System, Computer Network, Computing, Electronics, and Control, vol. 9, no. 4, Nov. 2024, doi:10.22219/kinetik.v9i4.2016.