(3Ydi gGeT GdMQcI GdJTcjdjI aj GdYQGb (B/ s - (3cGed , YGOd s ((3GdehUd (B: s (3eDSSI OGQ GdcJH ddWHGYI hGdfTQ , s, 1979)
Keywords: (3Gdafhf GdJTcjdjI s