فهرس المقالات Market power Exchange حرية الوصول المقاله صفحة الملخص نص كامل 1 - Optimization of the Black-Scholes Equation with the Numerical Method of Local Expansion to Minimize Risk Coverage Amirreza Keyghobadi Shadan Behzadi Fatemeh Gervei 10.22034/amfa.2020.579396.1140