فهرس المقالات ardeshir zohrabi المقاله 1 - Provide an improved factor pricing model using neural networks and the gray wolf optimization algorithm 10.22034/amfa.2022.1942547.1641 Reza Tehrani Ali Souri Ardeshir Zohrabi Seyyed Jalal Sadeghi Sharif Advances in Mathematical Finance and Applications , العدد 1 , السنة 8 , زمستان 2023