(3GdfHGJ GdYGe (B/ s - (3GdYQhSj,MSjfs; (3GSGeI YHO GdMejOs ((3GdGScfOQjI(B[(3eUQ(B]:s (3ecJHI GdeYGQa GdMOjKI,s, 1992)
(3GdcJGH eSJfSNs
Keywords: (3GdfHGJs