Complete IELTS : Bands 6.5 - 7.5 : Student's book with answers

Tác giả: Guy Brook-Hart; Vanessa Jakeman;

English for negotiating

Tác giả: Lafond, Charles;

American Literature

Tác giả: Nguyễn Quang Ngoạn, Đặng Thanh Phương...;

Doing scientific research

Tác giả: Ton Nu My Nhat;

Complete IELTS : Bands 5 - 6.5 : Student's book with answers

Tác giả: Guy Brook-Hart;

Writing academic English

Tác giả: Oshima, Alice;