List of Articles oligopoly Open Access Article Abstract Page Full-Text 1 - Presenting a model to determine the equilibrium point in the Oligopoly Reza Basiri Mansour Abedian Saeed Aghasi Zahra Dashtlali Open Access Article Abstract Page Full-Text 2 - Presenting a model to determine the equilibrium point in the Oligopoly Reza Basiri Mansour Abedian Saied Aghasi Zahra Dashtlaali