(3eYUheI GdLKI aj GdabI GdGSdGej Ydi VhA GdbhGfjf GdWHjI GdeYGUQI(B/s - (3GdYQHj,HdMGLs ((3YeGf(B[(3GdGQOf(B]:s (3OGQ GdKbGaI ddfTQ hGdJhRjY,s, 2009)
Keywords: (3Mbhb GdGfSGf(B((3GdabI GdGSdGej(B)s