1. "2023 music industry white paper", https://welcon.kocca.kr/ko/info/trend/1953253 [accessed: Dec. 06, 2023]
2. J. B. Jung "Digital music market analysis : A study on streaming count", Unpublished master's thesis, Department of Statistics Graduate School of Keimyung University, Daegu, Feb. 2019.
3. A Study on the Prediction Index for Chart Success of Digital Music Contents based on Analysis of Social Data
4. What to Download and What to Stream? : Investigating Music Characteristics Driving Preferences in Digital Music Consumption Modes
5. H. M. Yim, "Who can be a deus ex machina in the industry ?", Unpublished master's thesis, Department of Business Administration The Graduate School of Chung-Ang University, Seoul, Feb. 2015.