Mohammed Abdul Wahid Flayyih and Ashwaq T.Kadhim (2020) “The Role of the Four-dimensional Product in Achieve Competitive Advantage”, Journal of Madenat Alelem University College, 12(2), pp. 172-185. Available at: https://journal.mauc.edu.iq/index.php/JMAUC/article/view/374 (Accessed: 25April2024).