(3GYLGR GdbQBf hGdHdGZI GdfHhjI (B/s - (3eUWai UGOb GdQGaYis ((3GdbGgQI (B:s (3eWHYI GdGSJbGeI,s, 1956)
(3GdfU HGddZI GdYQHjIs
Keywords: (3GdbQBf (B- (3EYLGRs; (3GdTQjYI GdESdGejIs