فهرس المقالات Ali Ghorbani المقاله 1 - Stock Trading Signal Prediction Using a Combination of K-Means Clustering and Colored Petri Nets (Case Study: Tehran Stock Exchange) Ali Ghorbani Mahmood Yahyazadehfar Seyyed Ali Nabavi Chashmi Journal of Advances in Computer Research , العدد 1 , السنة 11 , زمستان 2020