Abdal Razaq, A. F., Manhal, H. A. and Hajem, Y. M. (2021) “The effect of additive manufacturing in achieving competitive advantages/an exploratory study in Salahaddin Directorate Education Print”, Tikrit Journal of Administrative and Economic Sciences, 17(55, 2), pp. 493–510. doi: 10.25130/tjaes.17.55.2.28.