Movarraei, Nazanin, and Maruti Shikare. “On the Number of Paths of Lengths 3 and 4 in a Graph”. International Journal of Applied Mathematical Research 3, no. 2 (May 16, 2014): 178–189. Accessed May 5, 2024. https://sciencepubco.com/index.php/ijamr/article/view/2409.