Zarghami, Seyed Ashkan, and Jantanee Dumrak. “Application of System Dynamics in the Assessment of Project Portfolio Performance”. International Journal of Industrial Engineering and Management 11, no. 4 (December 30, 2020): 253–262. Accessed July 27, 2024. https://ijiemjournal.uns.ac.rs/index.php/ijiem/article/view/85.