Noaman, S. A., R. O. Kadhim, and S. A. Hussain. “Structural and Optical Properties of Tin Oxide and Indium Doped SnO2 Thin Films Deposited by Thermal Evaporation Technique”. JOURNAL OF ADVANCES IN PHYSICS, vol. 12, no. 3, Oct. 2016, pp. 4394-9, doi:10.24297/jap.v12i3.45.