(3GdOaY HHWdGf EPf GdfjGHI GdYGeI HGdJaJjT (B/s - (3WfWGhj, EHQGgje MGeO eQSjs ((3GdbGgQI (B:s (3OGQ GdfgVI GdYQHjI,s, 1997)
(3HHdjhLQGajI (B: (3U(B. 97-101.s
Keywords: (3GdJaJjT GdLfGFjs -- (3eUQs