1. BernsteinP. L. (1996). Against the Gods: The Remarkable Story of Risk. John Wiley & Sons.
2. BibleM. J.BivinsS. S. (2011). Mastering Project Portfolio Management: A Systems Approach to Achieving Strategic Objectives (Vol. J). Ross Publishing.
3. Fight, A. (2005). Cash Flow Forecasting, 1st Edition. Butterworth-Heinemann.
4. Garland, R., & Morey, A. (2022). Project, Programme and Portfolio Governance. The Stationery Office.
5. Jury, T. (2012). Cash Flow Analysis and Forecasting: The Definitive Guide to Understanding and Using Published Cash Flow Data, 1st Edition. John Wiley & Sons.