Usmed, D.C., Syafrizal, Alfitman, Yuliani, F. and Hidayat, T. 2021. Customer Loyalty Research : The Cases of Existing E-Commerce Platforms. Enrichment : Journal of Management. 12, 1 (Sep. 2021), 499-504. DOI:https://doi.org/10.35335/enrichment.v12i1.253.