WASET
    Z. C. Chang and  S. C. Liang,  The Microstructure of Aging ZnO, AZO, and GZO Films.   journal   = {International Journal of Chemical and Molecular Engineering}, [online]. World Academy of Science, Engineering and Technology.
    May 2014, vol. 89(5). 451 - 453
    [viewed 26 April 2024]. Available from: https://publications.waset.org/pdf/9998436.