List of Articles تابع اتلاف انرژی Open Access Article Abstract Page Full-Text 1 - An investigation of bulk module , Pressure transition and electronic properties of Calcium Carbonate using pseudopotential method Hamdollah salehi Amin Shanbedi Open Access Article Abstract Page Full-Text 2 - Calculation of optical properties of Na2S in different phases Hamdollah salehi Emel Abdoullahi