Montolalu MM, Pio RJ, Mukuan D. The Influence of Marketing Mix Strategy on Customer Loyalty at Alluree Coffee Manado. Product. [Internet]. 2025 Nov. 30 [cited 2026 Jan. 17];6(4):215-9. Available from: https://ejournal.unsrat.ac.id/v3/index.php/productivity/article/view/61094