c - (3LjHShf, ShGfjs; (3HdGfOahQO, ShfjGs; (3GdYGeQj, NGdO(B.s ((3GdbGgQI (B:s (3OGQ GdaGQhb ddGSJKeGQGJ GdKbGajI,s, 2009)
Keywords: (3GdJYdje GdNGUs -- (3GdeedcI GdeJMOIs -- (3EOGQI(B.s; x; x