MANURUNG, Bernadetha; SINAGA, Hommy Dorthy Ellyany. 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), [S. l.], v. 4, n. 1, p. 217–228, 2025. DOI: 10.47663/ibec.v4i1.356. Disponível em: https://conference.eka-prasetya.ac.id/index.php/IBEC/article/view/356. Acesso em: 28 dec. 2025.