Majeed, R. J. and Aziz, P. S. (2026) “The Role of Integration Between Concurrent Engineering and Product Life Cycle Costing in Enhancing Competitive Advantages: An Applied Study in Garstin Industrial Company Operating in Duhok Governorate, Kurdistan Region of Iraq”, KOYA UNIVERSITY JOURNAL OF HUMANITIES AND SOCIAL SCIENCES, 9(2), pp. 123–137. doi: 10.14500/kujhss.v9n2y2026.pp123-137.