Dr. Anusiuba Overcomer Ifeanyi Alex, Okechukwu Ogochukwu Patience, Ekwealor Oluchukwu Uzoamaka, Anusiuba Amarachukwu Angela. The Application of Hidden Markov Model in Credit Card Fraud Detection System . IJSHRE [Internet]. 2022 Feb. 25 [cited 2026 Jun. 18];10(2). Available from: https://ijournals.in/journal/index.php/ijshre/article/view/85