Waralak Vongdoiwang Siricharoen,  Utilizing Ontologies Using Ontology Editor for Creating Initial Unified Modeling Language (UML)Object Model.   journal   = {International Journal of Industrial and Manufacturing Engineering}, [online]. World Academy of Science, Engineering and Technology.
    April 2010, vol. 40(4). 387 - 392
    [viewed 20 April 2021]. Available from: https://publications.waset.org/pdf/1529.