H. Ahmed, Hani, هانی, Faris S. Atallah, and فارس. 2013. “Effect Zinc Ion Concentration on Structural and Optical Properties of ZnS Thin Films Prepared by Chemical Bath Deposition Technique”. Journal of Education and Science (JES) 26 (4):79-87. https://doi.org/10.33899/edusj.2013.89973.