1. [1] International Telecommunication Union. (2018). Setting the Scene for 5G: Opportunities & Challenges 2018. Geneva. Switzerland.
2. [2] Majumdar, S. K., & Venkataraman, S. (1998). Network effects and the adoption of new technology: evidence from the US telecommunications industry. Strategic Management Journal, 19(11), 1045-1062)10.1002/(SICI)1097-0266(1998110)19:11<1045::AID-SMJ990>3.0.CO;2-0
3. [3] McKinsey&Company. (2019). https://www.mckinsey.com/industries/financial-services/our-insights/a-roadmap-for-a-digital-transformation, 20.5.2019.
4. [4] Wiley Encyclopedia of Management 3rd edition Vol 12 Strategic Management, Chapter: Network Externalities. John Wiley & Sons. Editors: John McGee & Tanya Sammut-Bonnici.https://www.researchgate.net/figure/Winner-takes-all_fig3_280247421 (Accessed 21 May, 2019)
5. [5] Novaković, I., Stojanović, B., & Kostić, Z. (2018). Reflection of innovations and concentration on competition in the electronic communications market. In: Western Balkans Economies in EU Integration - Past, Present and Future. CEMAFI International Association, Nice, France. (Editors: Xavier Richet, Dejan Erić, Srdjan Redžepagić, Ivan Stošić, Duško Bodroža). pp. 222-240.