Mohagheghi, Vahid, Seyed Meysam Mousavi, Jurgita Antuchevičienė, and Mohammad Mojtahedi. 2019. “Project Portfolio Selection Problems: a Review of Models, Uncertainty Approaches, Solution Techniques, and Case Studies”. Technological and Economic Development of Economy 25 (6):1380-1412. https://doi.org/10.3846/tede.2019.11410.