(3eHGOF GdbVGA GdEOGQj (B:s (3GdeLdO GdChd ,s (3eHOC GdeTQhYjI (B- (3eLdS GdOhdI (B: (3JfXjeg (B- (3GNJUGUGJg (B/s - (3YHO GdMejO ceGd MTjTs ((3GdbGgQI (B:s (3OGQ GdfgVI GdYQHjI ,s, 1977)
(3jTJed Ydi EQLGYGJ HHdjhLQGajIs
Keywords: (3GdbVGA GdEOGQj hhXGFags; (3GdbGfhf GdEOGQjs