Parvinder Singh Sandhu and  Sumeet Kaur Sehra and  Karmjit Kaur,  Enhanced Character Based Algorithm for Small Parsimony.   journal   = {International Journal of Mathematical and Computational Sciences}, [online]. World Academy of Science, Engineering and Technology.
    June 2008, vol. 18(6). 338 - 341
    [viewed 20 October 2021]. Available from: https://publications.waset.org/pdf/5111.