College oral communication
1.[Low-intermediate] / Marsha J.Chan -- 2.[Intermediate] / Ann E. Roemer -- 3.[High-intermediate] / Cheryl L.Delk -- 4. [Advenced] / Steve Jones
0618230165 (v.1) 0618230173 (v.2) 0618230181 (v.3) 061823019X (v.4)
English language-- Textbooks for foreign speakers
English language --Spoken English -- Problems, exercises, etc.
Oral communication --Problems, exercises, etc.
Listening-- Problems, exercises, etc.