Abdullah A. H. Alzahrani and Majd Zohri Yafi and Fawaz K. Alarfaj, Some Considerations on UML Class Diagram Formalisation Approaches . journal = {International Journal of Computer and Information Engineering}, [online]. World Academy of Science, Engineering and Technology. April 2014, vol. 89(5). 741 - 744 [viewed 19 September 2024]. Available from: https://publications.waset.org/pdf/9998151.