The Role of Product Innovation Mediation in the Relationship between Market Orientation and Competitive Advantage in Culinary Sector MSMEs (F. A. B. Kristian Panjaitan & M. . Taali , Trans.). (2026). West Science Journal Economic and Entrepreneurship, 4(01), 85~97. https://doi.org/10.58812/wsjee.v4i01.2674