“(CMC-PVP) Films Filled With SnO2 Nanoparticles Synthesized by (Solution-Gel) Method”. Journal of the College of Basic Education 27, no. 113 (March 22, 2022): 177–195. Accessed June 4, 2026. https://cbej.uomustansiriyah.edu.iq/index.php/cbej/article/view/5005.