TY - JOUR AU - KHADEMPOUR ARANI, ABBAS AU - Madani Zaj, Mehdi AU - Keyqobadi, AmirReza AU - Zomorodian, QolamReza TI - The effect of liquidity and diversification on choosing the optimal investment portfolio JO - Journal of Development & Evolution Mnagement VL - 15 IS - 52 SP - 139 EP - 154 PY - 2023 DO - ER -