(3eYgO GdehSjbi GdYQHjI (B/ s - (3GMeO Tajb GHhYhas ((3GdbGgQI (B: s (3OGQ GdcGJH GdYQHi ddWHGYI hGdfTQ , s, 1970)
Keywords: (3GdehSjbis; (3GdehSjbi GdYQHjI (B- (3JGQjN hfbOs; (3GdehSjbi (B- (3GdYUQ GdMOjKs; (3GdehSjbi GdYQHjIs