Lihat Juga

• NEW CONCEPT ENGLISH DEVELOPING SKILLS SUPPLEMENTARY WRITTEN EXERCISES
  oleh: L.G. Alexander
  Terbitan: (2003)
• NEW CONCEPT ENGLISH PRACTICE AND PROGRESS ; Supplementary Written Exercises
  oleh: {ALEXANDER,L.G}
• Developing skills, Supplementary written exercises, LG. Alexander
  oleh: Alexander, LG
• NEW CONCEPT ENGLISH Practice and Progress Supplementary Written Exercises
  oleh: L. G. Alexander
  Terbitan: (2013)
• Developing skills : suplementary written exercises
  oleh: ALEXANDER, L.G
  Terbitan: (1997)