Sujit Kumar Sardar Manasi Mandal Samit Kumar Majumder,  Intuitionistic Fuzzy Points in Semigroups.   journal   = {International Journal of Mathematical and Computational Sciences}, [online]. World Academy of Science, Engineering and Technology.
    March 2011, vol. 51(3). 505 - 510
    [viewed 16 April 2024]. Available from: https://publications.waset.org/pdf/8848.