WASET
    Ahmed Abdelali and  Jim Cowie and  Hamdy S. Soliman,  Language and Retrieval Accuracy.   journal   = {International Journal of Computer and Information Engineering}, [online]. World Academy of Science, Engineering and Technology.
    January 2008, vol. 13(1). 144 - 154
    [viewed 25 April 2024]. Available from: https://publications.waset.org/pdf/10908.