Upstream: Upper Intermediate B2+: Student's (аудиокурс на 2 CD)
Автор:Bob Obee, Virginia Evans Год: 2010 Издание:Express Publishing "Upstream: Upper Intermediate B2+" is a modular secondary-level course for learners of the English language at upper-intermediate level. The series combines active English learning with a variety of lively topics presented in themed units.
