WASET
    Adla Bentellis and  Zizette Boufaïda,  Conceptual Method for Flexible Business Process Modeling.   journal   = {International Journal of Industrial and Systems Engineering}, [online]. World Academy of Science, Engineering and Technology.
    January 2008, vol. 13(1). 15 - 19
    [viewed 29 March 2024]. Available from: https://publications.waset.org/pdf/11476.