Eka Safitri, Enrico Jonathan Hartono, Lalu Fatria Zulhadi, Lia Qelina, and Lucia Anindya Wijayakusuma. “The Core Marketing Concept: The Foundation of a Consumer-Oriented Business Strategy”. JUMBIWIRA : Jurnal Manajemen Bisnis Kewirausahaan 4, no. 3 (September 18, 2025): 87–97. Accessed December 5, 2025. https://jurnal-stiepari.ac.id/index.php/jumbiwira/article/view/3120.