Farhad Ullah, Muhammad Jawad, and Jamshid Ahmad. “Mathematical Approaches for Cost Optimization in Cybersecurity: A Strategic Framework”. INTERNATIONAL JOURNAL OF COMPUTER SCIENCE AND TECHNOLOGY, Vol. 8, no. 1, Jan. 2025, pp. 98-114, https://ijcst.com.pk/index.php/IJCST/article/view/464.