(3JYdje GdgjQhZdjajI dZI eUQ GdbOjeI (B/ s - (3eMehO MeGOs ([S.N] : (3GdgjFI GdeUQjI GdYGeI ddcJGH , s, 1991)
Keywords: (3dZGJ QeRjIs; (3GdgjQhZdjajIs