(3TQM bGfhf GdGMhGd GdTNUjI (B/ s - (3GdNWjH , GMeO Ydj s; (3GdcHjSj , MeO YHjO s; (3GdSGeQDGFj , eMeO YHGS s ((3GdehUd (B: s (3OGQ GdcJH ddWHGYI hGdfTQ , s, 1980)
Keywords: (3bGfhf NGU s