فهرست مقالات عباس افلاطونی مقاله 1 - Developing a Prediction-Based Stock Returns and Portfolio Optimization Model 10.22034/amfa.2021.1877733.1304 Farzad Eivani Davood Jafari Seresht Abbas Aflatooni Advances in Mathematical Finance and Applications , شماره 4 , سال 7 , تابستان 2022