1. Lemstra, W.: The Internet bubble and the impact on the development path of the telecommunication sector, Dissertation. Delft: TUDelft (2006)
2. De Wit, B., Meyer, R.: Strategy: process, content, context - An international perspective. Thomson, London (2004)
3. Van de Kar, E.A.M.: Designing mobile information services Dissertation. Delft: TUDelft (2004)
4. Bouwman, H., De Vos, H., Haaker, T.: Mobile service innovation and business models. Springer, Berlin (2008)
5. Bouwman, H., Zhengjia, M., Van der Duin, P., Limonard, S.: A business model for IPTV service: a dynamic framework. Info. 10, 22–38 (2009)