Activate your English :
Sinclair, Barbara.
Activate your English : pre-intermediate self-study workbook / Barbara Sinclair, Gregory Hoehner - Cambridge : Cambridge University Press, 1996. - 50 p. : ill., 1 map ; 30 cm.
0521425697
97156135
English language--Textbooks for foreign speakers.
PE1128 / .S56 1996
425 / SIA 1996
Activate your English : pre-intermediate self-study workbook / Barbara Sinclair, Gregory Hoehner - Cambridge : Cambridge University Press, 1996. - 50 p. : ill., 1 map ; 30 cm.
0521425697
97156135
English language--Textbooks for foreign speakers.
PE1128 / .S56 1996
425 / SIA 1996