(3hbGjI GdehGO ef GdJGcd (B/ s - (3UHMi eMeO Ydis; (3YGOd TdTs ([S.N] : (3GdgjFI GdeUQjI GdYGeI ddcJGH , s, 1987)
Keywords: (3ehGO GdHfGAs; (3GdehGO GdgfOSjIs; (3ebGheI GdehGOs; (3JCcds