Cahyani ZE, Ambarkahi RPY, Gemaputri AA, Retnowati N, Dhamayanthi W. Analisis Loyalitas Konsumen Pada J.CO Donuts & Coffee Jember. jmaa [Internet]. 2022 Dec. 30 [cited 2024 Dec. 22];2(2):59-66. Available from: https://jmaa.polije.ac.id/index.php/journal/article/view/v2i2-a