(3ehGO GdHfGA h ENJHGQGJgG GdbjGSjI (B/ s - (3HQcGJ, eMeO Ydjs ((3HjQhJ (B:s (3OGQ GdQGJH GdLGeYjg,s, 1984)
Keywords: (3GdHfGAs; (3ehGO GdHfGAs