R. Anitha and  R. S. Lekshmi,  N-Sun Decomposition of Complete, Complete Bipartite and Some Harary Graphs.   journal   = {International Journal of Mathematical and Computational Sciences}, [online]. World Academy of Science, Engineering and Technology.
    July 2008, vol. 19(7). 452 - 457
    [viewed 27 April 2024]. Available from: https://publications.waset.org/pdf/3193.