“…In conclusion, the proposed PM success factors of the classification methodology is in line with current project trends. [9], [10], [17], [27], [30] Process/technical 11 [17], [6], [30], [24], [4], [27] Complexity 7 [17], [20], [30], [4] Quality 2 [4], [18], [24], [27], [30], [31], Top management 2 [17], [32] For this study, the objective is to explore CSFs in project planning perspectives. The main basis of project planning is on uncertainty reduction [10].…”