Anbari, F., 2003. Earned value project management method and extensions. Project management journal, 34(4): 12-23.
Atkinson, R., 1999. "Project management: cost, time and quality, two best guesses and a phenomenon, it's time to accept success criteria". International Journal of Project Management, 17(6): 337-342.
Batselier, J., &Vanhoucke, M. (2015). Empirical evaluation of earned value management forecasting accuracy for time and cost. Journal of Construction Engineering and Management, 141(11), 05015010.
Bortolan, G., Degani, R., 1985. A review of some methods for ranking fuzzy subsets. Fuzzy Sets and Systems, 15(1): 1-19.
Chen, S. J., 2006. A new method for handling the similarity measure problems of interval-valued fuzzy numbers. In Proceedings of the second international conference on natural computation and the third international conference on fuzzy systems and knowledge discovery, 325-334.
Cioffi, D. F., 2006. "Designing project management: A scientific notation and an improved formalism for earned value calculations". International Journal of Project Management, 24: 136-144.
Colin, J., & Vanhoucke, M., (2014). Setting tolerance limits for statistical project control using earned value management. Omega, 49, 107-122.
Dubois, D., Prade, H., 1980. Fuzzy Sets and Systems Theory and Applications. Academic Press Inc.
Fleming Q. and Koppelman J., 2005. "Earned Value Project Management". third ed. Pennsylvania: Project Management Institute, Inc.
Gorzalczany, M., 1987. A method of inference in approximate reasoning based on interval-valued fuzzy sets. Fuzzy sets and systems, 21(1): 1-17.
Grattan-Guinness, I., 1975. Fuzzy membership mapped onto interval and many-valued quantities. Logik Grundlag, 22: 149-160.
Henderson, K., 2003. Earned Schedule: a breakthrough extensions to earned value theory. The measurable news, 13-23.
Henderson, K., 2004. Further developments in earned schedule. The measurable news, 15-22.
Hunter, H., Fitzgerald, R., & Barlow, D., (2014). Improved cost monitoring and control through the Earned Value Management System. Acta Astronautica, 93, 497-500.
Jahn, K., 1975. Intervall-wertige Mengen. Mathematische Nachrichten, 68: 115-132.
Kim, E. : Wells Jr. W. G. : Duffey M. R., 2003. A model for effective implementation of earned value management methodology. International Journal of Project Management, 21(5): 375-382.
Kou, M.-S., 2011. A novel interval-valued fuzzt MCDM method for improving airlines's service qquality in Chinese cross-strait airlines. Transportation Research Part E, 47: 1177-1193.
Lipke, W., Zwikael, O., Henderson, K., Anbari, F., 2009. Prediction of project outcome, the application of statistical methods to earned value management and earned schedule performance indices. International journal of project management, 27(4): 400-407.
Lipke, W., 1999. Applying management reserve to software project management. Journal of Defense Software Engineering, 17-21.
Lipke, W., 2003. Schedule is different. The measurable news, 31-34.
Lipke, W., 2004. The probability of success. The journal of quality assurance institue, 14-21.
Mortaji, S. T. H., Bagherpour, M., & Noori, S., (2013). Fuzzy earned value management using LR fuzzy numbers. Journal of Intelligent and Fuzzy Systems, 24(2), 323-332.
Moslemi Naeni, L. ; Shadrokh, S. : Salehipour, A., 2013. A fuzzy approach for the earned value management. International Journal of Project Management, 29(6): 764-772.
Narbaev, T. , De Marco, A., 2013. An Earned Schedule-based regression model to improve cost estimate at completion. International journal of project management.
Pinto, J. K., 2007. "Project Management: achieving competetive advantage". New Jersey: Pearson Education.
PMI, 2005. Practice Standard for Earned value Management. s.l.:PMI Publication.
Rubio, J., Muñoz, J. I., & Otegi, J. R., (2015). Engineering Projects Assessment Using Earned Value Management with Performance Indexes Evaluation and Statistical Methods. In Project Management and Engineering (pp. 61-72). Springer International Publishing.
Salari, M., Bagherpour, M., & Kamyabniya, A. (2014). Fuzzy extended earned value management: A novel perspective. Journal of Intelligent and Fuzzy Systems, 27(3), 1393-1406.
Sambuch, R., 1975. Application à l’aide au diagnostic en pathologie thyroidienne. s.l.:University of Marseille.
Shyi-Ming Chen , Jim-Ho Chen, 2009. Fuzzy risk analysis based on similarity measures between interval-valued fuzzy numbers and interval-valued fuzzy number arithmetic operators. Expert Systems with Applications, 36: 6309-6317.
Vandevoorde, S., Vanhoucke, M., 2005. A comparison of different project duration forecasting methods using earned value metrics. International Journal of Project Management, 24(4): 289-302.
Wang, G. &. L. X., 2001. Correlation and information energy of interval-valued fuzzy numbers. Fuzzy Sets and Systems, 103(1): 169-175.
Willems, L. L., &Vanhoucke, M. (2015). Classification of articles and journals on project control and earned value management. International Journal of Project Management, 33(7), 1610-1634.
Zadeh, l., 1965. Fuzzy sets. Information and control, 8: 338-353.
Zadeh, L., 1975. The concept of a linguistic variable and its application to approximate reasoning-I. Information science, 8: 199-249.