List of Articles fraud Open Access Article Abstract Page Full-Text 1 - A Study of Fraud Types, Challenges and Detection Approaches in Telecommunication Kasra Babaei ZhiYuan Chen Tomas Maul 10.7508/jist.2019.04.002 Open Access Article Abstract Page Full-Text 2 - Improved BIRCH Clustering by Chemical Reaction Optimization Algorithm to Health Fraud Detection M. Abdolrazzagh-Nezhad M. Kherad Open Access Article Abstract Page Full-Text 3 - The impact of conflicting transactions on bank mortgages Alireza Anabi Faezeh Jahanimoghadam Open Access Article Abstract Page Full-Text 4 - Presenting a fraud detection model in online banking systems based on credit card transactions using multiple weighted random forest and quadratic model Farzaneh Rahmani Changiz Valmohammadi Kiomars Fathi Hafshjani Open Access Article Abstract Page Full-Text 5 - Creation and Justification of the Parent Company’s Liability in the Case of Apparent Bankruptcy Amir Mojtahedi