Shaymaa H. Idres, Fouad. Sh. Hashim. Enhancement of the Optical Properties for (PVA-PEG) Blend by Adding CuO and FeCl3 . IJAST [Internet]. 2020May6 [cited 2024May3];29(05):5255 -5267. Available from: http://sersc.org/journals/index.php/IJAST/article/view/14035