Supriyadi, Tatang, Sucherly, and Undang juju. “THE INFLUENCE OF CORE COMPETENCE, MARKETING MIX STRATEGY AND MARKETING RELATIONSHIP STRATEGY TOWARD COMPETITIVE ADVANTAGE AND ITS IMPLICATION ON MARKETING PERFORMANCE (Survei Of Buku 2 Banks In West Java Province And DKI Jakarta)”. Jurnal Ekonomi 11, no. 03 (December 5, 2022): 1346–1358. Accessed May 9, 2026. https://ejournal.seaninstitute.or.id/index.php/Ekonomi/article/view/886.