List of Articles ابعاد. Open Access Article Abstract Page Full-Text 1 - The impact of human resource competencies on performance of knowledge- based companies فیروز افشارفر abbas abbaspour Open Access Article Abstract Page Full-Text 2 - An Evaluation of Fakhr al-Dīn Rāzī’s Criticisms of Ibn Sīnā’s Arguments on the Falsity of Vacuum Mahmud Seidy