WASET
    P. Pongsumpun and  I.M. Tang,  Transmission Model for Plasmodium Vivax Malaria: Conditions for Bifurcation.   journal   = {International Journal of Bioengineering and Life Sciences}, [online]. World Academy of Science, Engineering and Technology.
    May 2007, vol. 5(5). 58 - 65
    [viewed 27 April 2024]. Available from: https://publications.waset.org/pdf/102.