GINTING, M. R. .; MARDHIYAH, A. .; SIREGAR , O. M. . Pengaruh Brand Local Dan Kualitas Produk Terhadap Loyalitas Pelanggan Sumatra Roastery (Studi Pada Pelanggan Sumatra Roastery Di Kota Medan) . Journal of Innovative and Creativity, [S. l.], v. 5, n. 2, p. 18820–18828, 2025. DOI: 10.31004/joecy.v5i2.2732. Disponível em: https://joecy.org/index.php/joecy/article/view/2732. Acesso em: 17 oct. 2026.