Practice and progress : an integrated course for pre-intermediate students /
L. G. Alexander ; ill. by Michael Ffolkes, Graham and Gus.
- Warszawa : PWN - Polish Scientific Publishers, 1991.
- XXII, 232 s. : il. ; 24 cm.
- New Concept English .
- New Concept English .
Na s. tyt. pseud. aut.: L. G. Alexander, nazwa właśc. aut.: Louis George Ftyaras.