Trappe

Intelligent Business Intermediate Course Book

By Trappe, Tonya, Tullis, Graham

Intelligent Business Upper Intermediate Course Book

By Trappe, Tonya, Tullis, Graham

Intelligent Business Intermediate Coursebook/CD Pack: Industrial Ecology

By Trappe, Tonya, Tullis, Graham

Students' Book (INBU)

By Lannon, Michael, Tullis, Graham, Trappe, Tonya

Insights into Business (Nelson Business English S.)

By Lannon, Michael, Tullis, Graham, Trappe, Tonya

Intelligent Business Upper Intermediate Coursebook/CD Pack: Industrial Ecology

By Trappe, Tonya, Tullis, Graham