The Effect of Product Quality and Service Quality on Customer Satisfaction in Restaurants at Medan City. Proceedings of The International Conference on Computer Science, Engineering, Social Science, and Multi-Disciplinary Studies, [S. l.], v. 1, p. 140–147, 2025. DOI: 10.64803/cessmuds.v1.23. Disponível em: https://proceeding.raskhamedia.or.id/index.php/cessmuds/article/view/23. Acesso em: 20 jan. 2026.