SUHARYONO, S.; ASTUTI, A. S. The Impact of Brand Image, Product Quality, Price, and Promotion on Premium Plan Purchase Decisions on the Spotify Music Streaming App. FOCUS, [S. l.], v. 1, n. 1, p. 1–11, 2020. DOI: 10.37010/fcs.v1i1.265. Disponível em: https://journal.neolectura.com/index.php/focus/article/view/265. Acesso em: 15 jun. 2025.