SITANGGANG, Roma Yana; SIAHAAN, Sabda Dian Nurani. Strategi Pemasaran pada Usaha Mancafe Tanjung Mulia Medan dan Dampaknya terhadap Volume Penjualan. RIGGS: Journal of Artificial Intelligence and Digital Business, [S. l.], v. 5, n. 2, p. 5088–5098, 2026. DOI: 10.31004/riggs.v5i2.9348. Disponível em: https://journal.ilmudata.co.id/index.php/RIGGS/article/view/9348. Acesso em: 22 sep. 2026.