(3GdZQjH aj YGde GdMjhGf (B/ s - (3dehf, QhHQJs; (3YWG, cGeds ((3GdbGgQI (B:s (3OGQ GdeYGQa,s, 1992)
Keywords: (3GdMjhGfGJs; (3Yde GdMjhGfs; (3fGTFhf UZGQ (B(10-14) (3SfIs