List of Articles Arbitrage Pricing Model Open Access Article Abstract Page Full-Text 1 - The role of political-cultural factors as undesirable risk reducing factors in the petrochemical industry jehad barzigar Open Access Article Abstract Page Full-Text 2 - Study the Relation between Exchange Rate as one of the Microeconomic Variable and Stock Return with APT Model (Examined Export Company in Tehran Stock Exchange) Zahra Farshadfar