Brand Trust as a Mediator Service Quality and Product Quality on Purchasing Decisions at Sejuta Jiwa Coffee Surabaya. Jurnal Ecogen, [S. l.], v. 9, n. 1, p. 108–121, 2026. DOI: 10.24036/ecogen.v9.i1.50. Disponível em: https://pek.ppj.unp.ac.id/index.php/ecogen/article/view/50. Acesso em: 18 apr. 2026.