1. T. Catlin, Insurance Beyond Digital: The Rise of Ecosystems and Platforms (2018). https://www.mckinsey.com/industries,/financial-services/ourinsights/insurance-beyond-digital-the-rise-of-ecosystems.
2. Eurostat, Detailed breakdowns of main GDP aggregates (by industry and consumption purpose) (nama_10_dbr). European Commission, Luxembourg. Available at: https://ec.europa.eu/eurostat/data/database, for 2-digit ISIC ICT Sector value added and employment data for European Union members and some nonmembers.
3. M. Орехов, Същност на процеса на Дигитализация като нов етап в глобалната информатизация (Бизнес управление, АИ,Денов“, Свищов, 1/2020) ISSN 0861-6604.
4. European Commission Science Hub, Prospective insights on R&D in ICT (PREDICT). Data and metadata. Available at: https://ec.europa.eu/jrc/en/predict/ict-sector-analysis-2018/data-metadata
5. Digitalization