1. Andersen, N., Boersch, Dr. A., & Blohmke, Dr. J. (2019). A Deloitte survey on European companies and how digital technologies can strategically enhance innovation. - https://www2.deloitte.com/content/dam/insights/us/articles/DE_897_Innovation-in-Europe/DI_Innovation-In-Europe.pdf
2. Asogwa, I. E., & Etim, O. E. (2017). Traditional Budgeting in Today’s Business Environment. Journal of Applied Finance & Banking, 7(3), 111-120. - http://www.scienpress.com/Upload/JAFB/Vol%207_3_7.pdf
3. R&D budgets and corporate earnings targets
4. Barsh, J., Capozzi, M., & Mendonca, L. (2007). How companies approach innovation: A McKinsey Global Survey. - https://www.elkarbide.com/sites/default/files/MCKINSEY%20INNOVACI%C3%93N.pdf
5. Connecting technological capabilities with market needs using a cyclic innovation model