(2012). A dynamic analysis of the problems emerging from the nonexistence of the project portfolio management system in project-based organizations. Iranian journal of management sciences, 7(27), 71-92.

. "A dynamic analysis of the problems emerging from the nonexistence of the project portfolio management system in project-based organizations", Iranian journal of management sciences, 7, 27, 2012, 71-92.

(2012). 'A dynamic analysis of the problems emerging from the nonexistence of the project portfolio management system in project-based organizations', Iranian journal of management sciences, 7(27), pp. 71-92.

, "A dynamic analysis of the problems emerging from the nonexistence of the project portfolio management system in project-based organizations," Iranian journal of management sciences, 7 27 (2012): 71-92,

A dynamic analysis of the problems emerging from the nonexistence of the project portfolio management system in project-based organizations. Iranian journal of management sciences, 2012; 7(27): 71-92.