“Investigating the Impact of Substrate-to-Nozzle Distance on the Microstructure and Optical Properties of CuO Thin Films Deposited by Thermochemical Spray Technique: Investigating the Impact of Substrate-to-Nozzle Distance on the Microstructure ” (2026) Rafidain Journal of Science, 35(1), pp. 108–118. doi:10.33899/rsci.v35i1.61997.