[1]
Suharyono, S. and Astuti, A.S. 2020. The Impact of Brand Image, Product Quality, Price, and Promotion on Premium Plan Purchase Decisions on the Spotify Music Streaming App. FOCUS. 1, 1 (Feb. 2020), 1–11. DOI:https://doi.org/10.37010/fcs.v1i1.265.