(3GdbVGA GdEOGQj (B/s - (3GdTQbGhj, SYGOs ((3GdbGgQI (B:s (3OGQ GdfgVI GdYQHjI,s, 1984)
(3jTJed Ydi EQLGYGJ HHdjhLQGajI(B.s
Keywords: (3GdbVGA GdEOGQjs; (3GdYbhO GdEOGQjIs; (3GdbQGQGJ GdEOGQjIs