Mitchell, H, Q. The english hub 3B : student book & work book / H. Q. Mitchell, Marileni Malkogianni - Estados Unidos : mmpublications, 2012 - 134 páginas : ilustraciones, gráficas ; 30 centímetros Include index Include word list Units V. Let´s communicate -- Units VI. Science matters -- Units VII. Helping out -- Units VIII. Planet earth -- ISBN: 9789605094591 Subjects--Topical Terms: Students Book--Workbook Dewey Class. No.: 371.3028 / M681hu