AlpTransit Gotthard Ltd. (2025). Gotthard tunnel experience. Retrieved September 12, 2025, from alptransit.ch
Angliss, K., & Harpum, P. (2022). Strategic portfolio management in the multi-project and programme organisation. Taylor & Francis.
Barber, N. (2023). Agile practice guide 2024: The most updated guide to start and run your project in the best way to master agile project management. Amazon Digital Services LLC (KDP).
Beck, K., et al. (2001/2025). Manifesto for agile software development. Agile Alliance. Retrieved September 12, 2025, from http://agilemanifesto.org
Blokdyk, G. (2008). PRINCE2: The 100 success secrets—The missing foundation and practitioner exam training, certification and project management guide. Emereo Pty Ltd.
Blokdyk, G. (2018). People capability maturity model. CreateSpace Independent Publishing Platform.
Blokdyk, G. (2022). Project manager I critical questions skills assessment. Amazon Digital Services LLC.
Bourne, L. (2016). Stakeholder relationship management: A maturity model for organisational implementation. Gower Publishing.
Bowling, M. (2024). PMP exam prep 2024–2025: Project management professional certification secrets study guide with detailed answer explanations (PMBOK® Guide, 7th ed.). Mometrix Media LLC.
Cleland, D. I., & Ireland, R. L. (2006). Project management: Strategic design and implementation (5th ed.). McGraw-Hill.
Clutterbuck, D. (2021). The team coaching casebook. McGraw-Hill Education.
Coesmans, P., et al. (2015). Individual competence baseline for project, programme and portfolio management (ICB 4.0). IPMA.
Daft, R. L. (2021). Organisation theory and design. Cengage Learning.
Davies, T. C. (2007). Project maturity management models. In P. G. W. Morris & J. K. Pinto (Eds.), The Wiley guide to project organisation and project management competencies. John Wiley & Sons.
Dinsmore, P. C., & Cabanis-Brewin, J. (Eds.). (2014). The AMA handbook of project management (3rd ed.). AMACOM.
Doerffer, P., Hirsch, C., Dussauge, J. P., Babinsky, H., & Barakos, N. (2010). Unsteady effects on shock wave induced separation. Springer.
Emerson, B., & Loehr, A. (2008). A manager’s guide to coaching: Simple and effective ways to get the best out of your employees. AMACOM.
Górecki, P., & Pautsch, P. R. (2023). Praxisbuch lean management: Der Weg zur operativen Exzellenz. Carl Hanser Verlag.
Graicunas, V. A. (1937). Relations in organisation. In L. Gulick & L. Urwick (Eds.), Papers on the science of administration (pp. 183–187). Institute of Public Administration, Columbia University.
Grant, P. C. (1989). Multiple use job descriptions: A guide to analysis, preparation, and application for human resources managers. Greenwood Press.
Hedeman, B., van Heemst, G. V., & Fredriksz, H. (2006). Project management based on PRINCE2. Van Haren Publishing.
Huemann, M., & Turner, R. (2024). The handbook of project management. Taylor & Francis.
Ingham, A. G., Levinger, G., Graves, J., & Peckham, V. (1974). The Ringelmann effect: Studies of group size and group performance. Journal of Experimental Social Psychology, 10(4), 371–384.
International Organization for Standardization. (2012). ISO 21500: Guidance on project management. ISO.
International Organization for Standardization. (2017). ISO 21505: Project, programme and port-folio management—Guidance on governance. ISO.
International Organization for Standardization. (2020). ISO 21502: Project management guidance. ISO.
Karnatak, A. (2023). Project management maturity model. Notion Press.
Keller, T. (2021). Management of behaviour in organisations. De Gruyter.
Kendall, D. (2018). Sociology in our times. Cengage Learning.
Kumaresan, A., Sivaprakash, S., Vanitha, P., & Chaudhari, M. (2024). A textbook of software engineering. Academic Guru Publishing House.
Larson, E. W., Gray, C. F., & Sirisomboonsuk, P. (2024). Project management: A socio-technical approach. McGraw-Hill.
Limberg, M., & Andreas, J. (2024). Designing a maturity model for measuring the status of multi-project management.
Locke, E. A., & Latham, G. P. (2002). Building a practically useful theory of goal setting and task motivation. American Psychologist, 57(9), 705–717. doi.org
McShane-Vaughn, M. (2023). The ASQ certified six sigma Black Belt handbooks. ASQ Quality Press.
Merrill, D., & Martin, J. A. (2010). Getting organised in the Google era. Crown Business.
Moore, S. (2010). Strategic portfolio management. John Wiley & Sons.
Morgan, H. J., Harkins, P. J., & Goldsmith, M. (2005). The art and practice of leadership coaching. John Wiley & Sons.
Müller-Ettrich, R. (1999). Resource management. In Project management expert (Vol. 2). RKW.
Nandyal, R. S. (2003). People capability maturity model. Tata McGraw-Hill.
Pedrick, C., & Baldelli, L. (2023). The human behind the coach. Practical Inspiration Publishing.
Ralston, F. (2007). Play your best hand. Adams Media.
Ringelmann, M. (1913). Recherches sur les moteurs animés: Travail de l’homme. Annales de l’Institut National Agronomique.
Roberts, P. (2020). The economist guides to change and project management. Profile Books.
Ryan, R. M., & Deci, E. L. (2017). Self-determination theory. Guilford Press.
Schein, E. H. (2017). Organisational culture and leadership. John Wiley & Sons.
Schreyögg, G., & Geiger, D. (2024). Organisation: Grundlagen moderner Organisationsgestal-tung. Springer.
Schwalbe, K. (2010). Information technology project management. Cengage Learning.
Sharma, R. C., & Sharma, N. (2024). Human resource management. Taylor & Francis.
Singla, R. K. (2010). Principles of management. V.K. Enterprises.
Taylor, J. (2006). A survival guide for project managers. AMACOM.
Taylor, P. (2023). Projects: Methods, outcomes. Routledge.
TestGorilla. (2025). Project management test. Retrieved September 12, 2025, from testgorilla.com
Weaver, R. G., & Farrell, J. D. (1999). Managers as facilitators. Berrett-Koehler.
Whitmore, S. J., & Gaskell, T. (2024). Coaching for performance (6th ed.). John Murray Press.
Wysocki, R. (2011). Executive guide to project management. John Wiley & Sons.
Zaccaro, S. J. (1984). Social loafing. Personality and Social Psychology Bulletin, 10(1), 99–110.