Eka Safitri et al. 2025. The Core Marketing Concept: The Foundation of a Consumer-Oriented Business Strategy. JUMBIWIRA : Jurnal Manajemen Bisnis Kewirausahaan. 4, 3 (Sep. 2025), 87–97. DOI:https://doi.org/10.56910/jumbiwira.v4i3.3120.