Aimen Mohamed Almaloul,  Investigating Interference Errors Made by Azzawia University 1st year Students of English in Learning English Prepositions.   journal   = {International Journal of Educational and Pedagogical Sciences}, [online]. World Academy of Science, Engineering and Technology.
    January 2014, vol. 85(1). 267 - 283
    [viewed 26 April 2024]. Available from: https://publications.waset.org/pdf/9997365.