http://www.4shared.com/dir/21001950/ae3eb4f7/_CD_IELTS_-_Ross.html http://www.4shared.com/dir/22174593/edd2b63f/CD1_-_Prepare_IELTS_-_Carter.html
http://www.4shared.com/dir/22174686/86e5cda8/CD2_-_Prepare_IELTS_-_Carter.html
http://www.4shared.com/dir/22175509/6479830d/CD3_-_Prepare_IELTS_-_Carter.html
http://www.4shared.com/dir/23178560/1fe24f46/CD_1_-_IELTS_Express.html
http://www.4shared.com/dir/23178568/1139c774/CD_2_-_IELTS_Express.html
tất cả link nghe mà mình có đó ^^