(3GdKbGaI hGdTNUjI (B:s (3GdTNUjI heMOOGJgG GdKbGajI (B/s - (3hUaj, YGWa Cejfs ((3HjQhJ (B:s (3OGQ GdfgVI GdYQHjI,s, 1981)
(3HHdjhLQGajI (B: (3U(B. 263-269.s
Keywords: (3GdCfKQhHhdhLjG GdGLJeGYjIs; (3GdKbGaIs; (3GdTNUjIs