Ibrahim, W.K. and Abdulrahman, M.A. 2023. The Effect of Health Education Toward Preventive Measures Of COVID-19 Among Employees in Duhok City-Iraq: A Cluster Randomized Controlled Trial . International Journal of Membrane Science and Technology. 10, 4 (Oct. 2023), 1669-1678. DOI:https://doi.org/10.15379/ijmst.v10i4.2301.