D. Divyakalpana, C. Suresh Kumar, D. Venkata Subramanian, K. Mastan Rao, B. Malleswari. (2019). A Contravention of Calculating Cyber Hacking. Mathematical Statistician and Engineering Applications, 68(1), 117–128. https://doi.org/10.17762/msea.v68i1.1716