WASET
     H. Alabed and  K. Abuzayan and  J. Waterhouse,  Changes in Subjective and Objective Measures of Performance in Ramadan.   journal   = {International Journal of Humanities and Social Sciences}, [online]. World Academy of Science, Engineering and Technology.
    May 2013, vol. 77(5). 1174 - 1183
    [viewed 25 April 2024]. Available from: https://publications.waset.org/pdf/142.