Purwasih, Siti Nunung, and Abd. Charis Fauzan. “Hidden Markov Model With Baum–Welch Algorithm for Fraud Detection in Academic Business Processes”. Informatics, Electrical and Electronics Engineering (Infotron) 5, no. 2 (November 30, 2025): 96-106. https://doi.org/10.33474/infotron.v5i2.24546.