(3fXGe QjGV GdGWaGd ai LeghQjI eUQ GdYQHjI (B/ s - (3QfGO GdNWjHs ([S.N] : (3GdgjFI GdeUQjI GdYGeI ddcJGH , s, 1991)
Keywords: (3eUQs; (3GdJYdjes; (3QjGV GdGWaGds; (3JYdje GdGWaGds; (3eOGQS GdMVGfIs; (3WQb GdbjGSs; (3GdGMUGFjGJs