Green, O.O., S.M. Yusuf, M.B. Abdulrazaq, B. Yahaya, Z. Haruna, A. Ore-Ofe, S.O. Omogoye, A.S. Adegoke, and S.O. Salami. 2025. “Anomaly Detection in Portal System Networks: A Hybrid EMLOA-OCSVM Approach and Review of Challenges”. European Scientific Journal, ESJ 21 (24), 21. https://doi.org/10.19044/esj.2025.v21n24p21.