FIRMANSYAH, Achmad; NUR LAILY. The Effect of Service Quality and Product Quality on Customer Loyalty Through Purchasing Decisions (Study on Consumers of Nocs Coffee Lab Surabaya). INNOVATION RESEARCH JOURNAL, [S. l.], v. 7, n. 1, p. 80–95, 2026. DOI: 10.30587/innovation.v7i1.11548. Disponível em: https://journal.umg.ac.id/index.php/innovation/article/view/11548. Acesso em: 19 jun. 2026.