Talumepa, J. S., Pio, R. J. and Tamengkel, L. F. (2023) “Pengaruh Kualitas Pelayanan dan Promosi Media Sosial terhadap Loyalitas Pelanggan Kopi Kenangan”, Productivity, 4(2), pp. 207–216. Available at: https://ejournal.unsrat.ac.id/v3/index.php/productivity/article/view/47016 (Accessed: 12 July 2024).