Hasan, Mazin H., Fuad T. Ibrahim, and Ahmed Naji Abd. 2019. “Investigation of Nanostructured and Gas Sensing of Tin Dioxide (Sno2) Films Prepared by Oxidation of Sn”. Iraqi Journal of Science 60 (4): 745-53. https://www.ijs.uobaghdad.edu.iq/index.php/eijs/article/view/668.