WASET
    N. Z. Baderisham and  H. A. Hamid and  N. Osman,  Phase Formation of Ba(Ce1-xZrx)0.90Y0.1O3-δ Prepared by a Modified Sol-Gel Method.   journal   = {International Journal of Chemical and Molecular Engineering}, [online]. World Academy of Science, Engineering and Technology.
    August 2014, vol. 88(4). 354 - 356
    [viewed 24 April 2024]. Available from: https://publications.waset.org/pdf/9999283.