English, of course! :
English, of course! : A two-year beginners' course to intermediate level : Teacher's edition. Book 1
- Zurich : SABE AG, Verlagsinstitut fur Lehrmittel, 1990.
- 258 p.
Includes index
Vol. 1-Unit 1-12
3-252-03215-5
English language--Handbooks, manual
Includes index
Vol. 1-Unit 1-12
3-252-03215-5
English language--Handbooks, manual