فهرس المقالات Mohammad Hasani المقاله 1 - Investigating the Effect of Business Strategy and Stock Price Synchronicity on Stock Price Crash Risk 10.22034/amfa.2019.585637.1187 Ghazal Hosseinzadeh Zorofchi Alireza Heidarzadeh Hanzaei Mohammad Hasani Advances in Mathematical Finance and Applications , العدد 2 , السنة 6 , بهار 2021