Lihat Juga

• Practice and progress : an integrated course for pre-intermediate students
  oleh: Alexander, L.G
  Terbitan: (1967)
• Practice and progress : an integrated course for pre - intermediate students
  oleh: ALEXANDER, L.G.
  Terbitan: (1975)
• Practice and progress : an integrated course for pre-intermediate students
  oleh: Alexander, L.G
  Terbitan: (1975)
• Practice and progress an integrated course for pre-intermediate students
  oleh: L.G. Alexander
  Terbitan: (1996)
• Practice and progress : An integrated course for pre intermediate students / L. G. Alexander
  oleh: Alexander, L. G.