(3MeGSI GHhJeGe hTQMgG (B/ s - (3MSjf eMeO fbTIs ([S.N] : (3GdgjFI GdeUQjI GdYGeI ddcJGH , s, 1987)
Keywords: (3GdTYQ GdYQHis; (3GdTYQ GdMeGSis; (3OhGhjf hbUGFOs