Huda Ahmed Al Taisan,  Uvulars Alternation in Hasawi Arabic: A Harmonic Serialism Approach.   journal   = {International Journal of Cognitive and Language Sciences}, [online]. World Academy of Science, Engineering and Technology.
    August 2019, vol. 153(9). 1193 - 1197
    [viewed 12 November 2019]. Available from: https://publications.waset.org/pdf/10010727.