(3HMhK aj JGQjN HdGO GdTGe aj GdYUQ GdYKeGfj (B/ s - (3GdHNjJ, eMeO YOfGfs; (3eQRhb, eMeOs ((3GQHO (B:s (3LGeYI GdjQehc,s, 1992)
Keywords: (3GdEeHQGWhQjI GdYKeGfjI (B1402-1922s; (3JGQjN GdYQHs; (3HdGO GdTGes