(3GdMjGI ai Gdchf cja fTGJ hGjf JhLO (B/ s - (3OhQTfQ, LhgGfs; (3YjSi Ydi YjSi (B((3eJQLe(B)s ([S.N] : (3GdgjFI GdeUQjI GdYGeI ddcJGH , s, 1988)
Keywords: (3adSaIs; (3Gdadcs; (3GdGQVs; (3Gdchfs; (3GdNdbs; (3eG hQGA GdWHjYI(B, (3Ydes