Shekho, K. K. (2019) “Requirements for the application of business Operation reengineering and its role in continuous improvement ‘A survey of the opinions of the Managers at the Hammam al-Aalil Cement Factory in Ninawa Governorate’”, Humanities Journal of University of Zakho, 7(2), pp. 245–262. doi: 10.26436/hjuoz.2019.7.2.496.