1. Over-The-Top Services Market by Type (Online Gaming, Music Streaming, VoD and Communication), Monetization Model (Subscription-based, Advertising-based, and Transaction-based), Streaming Device, Vertical, and Region–Global Forecast to 2024https://www.marketsandmarkets.com/Market-Reports/over-the-top-ott-market-41276741.html
2. Number of Over-the-top (OTT) Subscription Video Service Subscribers Worldwide from 2012 to 2021https://www.statista.com/statistics/821883/number-ott-subscribers/#statisticContainer
3. Competitive dynamics in the Korean video platform market: Traditional pay TV platforms vs. OTT platforms
4. Business strategies of Korean TV players in the age of over-the-top (OTT) video service;Park;Int. J. Commun.,2018