(3GdJfXje GdOhdj ddTQcGJ GdeJYOOI GdLfSjI (B/s - (3MSjf, eUWai SdGeIs ((3GdbGgQI (B:s (3OGQ GdfgVI GdYQHjI,s, 1982)
(3jTJed Ydi EQLGYGJ HHdjhLQGajI(B.s
Keywords: (3GdTQcGJ GdOhdjIs -- (3bhGfjf hJTQjYGJs; (3GdbGfhf GdOhdj GdGbJUGOjs