Manurung, B. and Sinaga, H.D.E. 2025. Building Customer Loyalty in the Digital Economy Era: The Role of CRM Innovation and Promotional Strategies at Smarco Superstore Ring Road City Walks Medan: Membangun Loyalitas Pelanggan di Era Ekonomi Digital: Peran Inovasi CRM dan Strategi Promosi di Smarco Superstore Ring Road City Walks Medan. PROCEEDING INTERNATIONAL BUSINESS AND ECONOMICS CONFERENCE (IBEC). 4, 1 (Dec. 2025), 217–228. DOI:https://doi.org/10.47663/ibec.v4i1.356.