Dr. Anusiuba Overcomer Ifeanyi Alex, Okechukwu Ogochukwu Patience, Ekwealor Oluchukwu Uzoamaka and Anusiuba Amarachukwu Angela (2022) “The Application of Hidden Markov Model in Credit Card Fraud Detection System ”, iJournals:International Journal of Software & Hardware Research in Engineering ISSN:2347-4890, 10(2). Available at: https://ijournals.in/journal/index.php/ijshre/article/view/85 (Accessed: 18 June 2026).