Sheet Hamed, Rasha Mohsien, and Sultan A. Fathi. 2021. “Diagnosing the Types of Innovation An Analytical Study of the Opinions of a Sample of Management Leaders in the Badush Cement Factory”. Tikrit Journal of Administrative and Economic Sciences 17 (56, 4):202-14. https://doi.org/10.25130/tjaes.17.56.4.12.