(3GYXe ef efJUQjf(B: (3JaSjQ SaQ GdQDjG (B/ s - (3hdje gfOQcSis; (3aGjO ajUd (B((3eJQLe(B)s ([S.N] : (3OGQ GdKbGaI GdYQHjI , s, 1987)
Keywords: (3GdYgO GdLOjOs