(3GdGSJTQGa (B:s (3GdhXjaI GdZGFHI aj GdJNWjW GdGLJeGYj (B/s - (3CHh GdfUQ, eMeO Rcjs ((3GdEScfOQjI, eUQ (B:s (3GdecJH GdLGeYj GdMOjK,s, 2011)
(3HHdjhLQGajI (B: (3UaMI (B447-449.s
(3jTJed Ydi EQLGYGJ HHdjhLQGajI(B.s
Keywords: (3GdGSJTQGas; (3GdJNWjW GdGLJeGYjs; (3GdJZjQ GdGLJeGYjs