1. Market leadership, technological progress and relative performance in the mobile telecommunications industry;Asimakopoulos;Technological Forecasting and Social Change,2017
2. Spectrum and licensing in mobile telecommunication market. ITU regional workshop on “competition in telecommunications market” Khartoum-Sudan, 24-26 may 2016;Bakker,2016
3. How domestic and foreign firms differ and why does it matter?;Bellak;Journal of Economic Surveys,2004
4. How local companies keep multinationals at bay;Bhattacharya;Harvard Business Review,2008
5. Quality of institutions and productivity of State-Invested Enterprises: International evidence from major telecom companies;Castelnovo;Elsevier,2019