NorthStar: focus on listening and speaking, intermediate

Míreanna comhchosúla

• NorthStar: focus on listening and speaking, high intermediate
  de réir: Ferree, Tess, et al.
  Foilsithe / Cruthaithe: (1998)
• NorthStar: focus on listening and speaking, advanced
  de réir: Preiss, Sherry
  Foilsithe / Cruthaithe: (1998)
• NorthStar: focus on reading and writing, intermediate
  de réir: Betta, Laurie, et al.
  Foilsithe / Cruthaithe: (1998)
• NorthStar: focus on reading and writing, high intermediate
  de réir: English, Andrew K, et al.
  Foilsithe / Cruthaithe: (1998)
• NorthStar: focus on reading and writing, advanced
  de réir: Miller, Judy L., et al.
  Foilsithe / Cruthaithe: (1998)