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Which One Is Important? Halal Labeling Or Viral Marketing (Case Study of Medan City Kopi Kenangan Consumers). IJMRP [Internet]. 2025 Jan. 2 [cited 2026 Apr. 18];1(02):114-20. Available from: https://ejournal.genungmentorshipgroup.com/index.php/ijmrp/article/view/40