Helgesen, Marc

English firsthand by: Helgesen, Marc; Mandeville, Thomas; Rost, Michael (书目-语言数据,印刷品)

English firsthand plus: expanding communicative language skills by: Brown, Steven; Helgesen, Marc; Mandeville, Thomas[et al] (书目-语言数据,印刷品)

Active listening: introducing skills for understanding. student's book by: BrownSteven; Helgesen, Marc (书目-语言数据,印刷品)

Practical english language teachinglistening by: Brown, Steven; Helgesen, Marc; Nunan, David (书目-语言数据,印刷品)