Bala, Romi, and Hemant Pandey. “Advances in Discrete Mathematics: From Combinatorics to Cryptography”. Turkish Journal of Computer and Mathematics Education (TURCOMAT) 10, no. 3 (December 13, 2019): 1643–1646. Accessed July 22, 2024. https://turcomat.org/index.php/turkbilmat/article/view/14624.