(3cJGH GdQDjI (B/ s - (3GdOGQbWfj, CHh GdMSf Ydj Hf YeQ Hf CMeOs [ 306 - 385 ] (3g,s; (3GdYdj, EHQGgje eMeOs; (3GdQaGYj, CMeO aNQjs ((3GdRQbGA (B:s (3ecJHI GdefGQ,s, 1990)
Keywords: (3GdESdGe(B.s; (3GdMOjK GdfHhj(B.s