Mohammed A. Jabr, Abdullah M. Ali and Raid A. Ismail 2023. A Study of optical, structural and electrical properties of copper oxide films prepared by chemical bath deposition with laser at different concentrations. Tikrit Journal of Pure Science. 28, 2 (Apr. 2023), 88–96. DOI:https://doi.org/10.25130/tjps.v28i2.1339.