SEPTIAN ADI, M.; PUDJOPRASTYONO, H. THE EFFECT OF SERVICE QUALITY, PROMOTION AND PRICE PERCEPTION ON CUSTOMER LOYALTY AT THE BUMANTARA COFFEE SHOP IN SURABAYA CITY: THE EFFECT OF SERVICE QUALITY, PROMOTION AND PRICE PERCEPTION ON CUSTOMER LOYALTY AT THE BUMANTARA COFFEE SHOP IN SURABAYA CITY. Management Science Research Journal, [S. l.], v. 5, n. 2, p. 40–48, 2026. DOI: 10.56548/msr.v5i2.213. Disponível em: https://www.managementscienceresearchjournal.com/index.php/msr/article/view/213. Acesso em: 19 may. 2026.