WASET
    R. Parimelazhagan and N. Nagaveni,  Weakly Generalized Closed Map.   journal   = {International Journal of Mathematical and Computational Sciences}, [online]. World Academy of Science, Engineering and Technology.
    February 2009, vol. 26(2). 164 - 168
    [viewed 25 April 2024]. Available from: https://publications.waset.org/pdf/9051.