Al-Awadi, S. S., Ramadhan, A. A., Ibrahim, F. T. and Abbood, A. K. (2020) “Optical and Structural Properties of Titanium Dioxide Papered by DC Magneto-Sputtering as a NO2 Gas Sensor”, Iraqi Journal of Science, 61(10), pp. 2562-2569. doi: 10.24996/ijs.2020.61.10.12.