M. Hemam and  M. Djezzar and  T. Djouad,  A Description Logics Based Approach for Building Multi-Viewpoints Ontologies.   journal   = {International Journal of Computer and Information Engineering}, [online]. World Academy of Science, Engineering and Technology.
    January 2016, vol. 120(12). 2111 - 2116
    [viewed 26 April 2024]. Available from: https://publications.waset.org/pdf/10006209.