TY - JOUR AU - Abdolrazzagh-Nezhad, M. AU - Kherad, M. TI - Improved BIRCH Clustering by Chemical Reaction Optimization Algorithm to Health Fraud Detection JO - Nashriyyah -i Muhandisi -i Barq va Muhandisi -i Kampyutar -i Iran VL - 17 IS - 2 SP - 153 EP - 160 PY - 2019 DO - ER -