(3GdJfXje GdOhdi ddTQcGJ GdeJYOOI GdLfSjI (B:s (3OQGSI JMdjdjI hJBUjdjI dbhGYO GdSdhc GdOhdi GdefXeI dfTGWGJ GdTQcGJ GdeJYOOI GdLfSjI (B/s - (3eUWai SdGeI MSjf(B.s ((3GdbGgQI (B:s (3OGQ GdfgVI GdYQHjI,s, 1982)
(3jTJed Ydi EQLGYGJ HHdjhLQGajI(B.s
Keywords: (3GdYbhO (B((3bGfhf Ohdj(B)s; (3GdefXeGJ GdOhdjI s; (3GdTQcGJ GdOhdjI s -- (3bhGfjf hJTQjYGJs; (3GdbGfhf GdOhdj GdGbJUGOjs