List of Articles Postmodern Portfolio Theory Open Access Article Abstract Page Full-Text 1 - Assessing the various risks of the Iranian petrochemical industry Jehad Barzigar Mohammad Jalili Open Access Article Abstract Page Full-Text 2 - The Application of Downside Risk and Arbitrage Pricing Model in Risk Assessment (Financial Marketing Approach to Iran's Petrochemical Industry) Jehad Barzigar Mohammad Jalili