(3cJGH Gdebgi GdKbGai (B/ s - (3SejQ SQMGfs; (3GdgjFI GdeUQjI GdYGeI ddcJGHs ([S.N] : (3GdgjFI GdeUQjI GdYGeI ddcJGH , s, 1991)
Keywords: (3GdGOH GdYQHis; (3GdbUU GdYQHjI GdbUjQIs; (3GdeLehYGJs