Roger Perks
2 published titles
English workshop
5 editions
- ISBN: 090233672X
- Clearway Publishing
- 1973
- Details
- ISBN: 0902336738
- Clearway Publishing Co.
- 1974
- Details
- ISBN: 0902336835
- Clearway Publishing Co.
- 1975
- Details
- ISBN: 0902336533
- Clearway Publishing Co
- 1976
- Details
- ISBN: 0902336630
- Clearway Publishing Co
- 1977
- Details
Clearway English
3 editions
- ISBN: 0902336606
- Clearway Publishing Co.
- 1973
- Details
- ISBN: 0902336703
- Clearway Publishing Co
- 1974
- Details
- ISBN: 0902336436
- Clearway Publishing Co
- 1975
- Details