List of Articles Portfolio optimization Open Access Article Abstract Page Full-Text 1 - A Hybrid Grey based Two Steps Clustering and Firefly Algorithm for Portfolio Selection farshad faezy razi Naeimeh Shadloo 10.22094/joie.2017.276 20.1001.1.22519904.2017.10.22.5.0 Open Access Article Abstract Page Full-Text 2 - Constrained portfolio selection model at considering risk-adjusted measure by using the Genetic Network Programming iman bavarsad salehpoor saber mola alizade zavardehi 10.22094/QJIE.2024.950699