Autor: Roger Lewis, 4 titluri

JAMA Guide to Statistics and Methods

Edward Livingston,Roger Lewis

Market Leader New Edition! Advanced Coursebook with Multi-ROM - Margaret O'Keeffe

Margaret O'keeffe,Iwona Dubicka,John Rogers,Lewis Lansford

Market Leader New Edition! Pre-intermediate Coursebook with Multi-ROM and Audio CD - John Rogers

John Rogers,Iwona Dubicka,Margaret O'keeffe,Lewis Lansford

Market leader Pre-Intermediate Coursebook/Multi-Rom Pack - David Cotton

David Cotton,David Falvey,Simon Kent,John Rogers,Iwona Dubicka,Margaret O'keeffe,Lewis Lansford