“…Many objectives are defined in proposed researches, for example, minimizing the development effort [79], minimizing defects [78,80], minimizing cost [1,4,8,13,14,16,18,19,25,33,36,76,[81][82][83][84][85], minimizing time [8,13,14,18,19,33,36,37,55,78,81,83,85], increasing quality [8,13,14,18,19,24,33,36,55,56,76], timelines of completion of tasks [57], increasing team members' productivity [42,43], improving work relationship and maximizing project's requirements [83], on-time completion, on- budget completion, functionality completion, and satisfying required quality…”