WASET
    Alicia Y. C. Tang and  Rukaini Abdullah and  Sharifuddin M. Zain and  Noorsaadah A. Rahman,  Generating Qualitative Causal Graph using Modeling Constructs of Qualitative Process Theory for Explaining Organic Chemistry Reactions.   journal   = {International Journal of Chemical and Molecular Engineering}, [online]. World Academy of Science, Engineering and Technology.
    November 2009, vol. 35(11). 634 - 644
    [viewed 19 April 2024]. Available from: https://publications.waset.org/pdf/11740.