فهرس المقالات سید محمد باقر قرشی المقاله 1 - Experimental measurements of a prototype high-concentration Fresnel lens and sun-tracking method for photovoltaic panel’s efficiency enhancement 10.1007/s40094-015-0180-x Meraj Rajaee Seyed Mohamad Bagher Ghorashi Journal of Theoretical and Applied Physics , العدد 1 , السنة 0 , پاییز 2015