| 978-958-8865-39-3 | Life Begginer Student´s Book Split A | Cengage Learning De Colombia | Helen Stephenson
John Hughes
Paul Dummett
| 2014 |
| 978-958-8865-40-9 | Life Begginer Student´s Book Split B | Cengage Learning De Colombia | Helen Stephenson
John Hughes
Paul Dummett
| 2014 |
| 978-958-8865-41-6 | Life Begginer Student´s Book Split C | Cengage Learning De Colombia | Helen Stephenson
John Hughes
Paul Dummett
| 2014 |
| 978-958-8865-42-3 | Life Begginer Student´s Book Split D | Cengage Learning De Colombia | Helen Stephenson
John Hughes
Paul Dummett
| 2014 |
| 978-958-8865-43-0 | Life Elementary Student´s Book Split A | Cengage Learning De Colombia | Helen Stephenson
John Hughes
Paul Dummett
| 2014 |
| 978-958-8865-44-7 | Life Elementary Student´s Book Split B | Cengage Learning De Colombia | Helen Stephenson
John Hughes
Paul Dummett
| 2014 |
| 978-958-8865-45-4 | Life Elementary Student´s Book Split C | Cengage Learning De Colombia | Helen Stephenson
John Hughes
Paul Dummett
| 2014 |
| 978-958-8865-46-1 | Life Elementary Student´s Book Split D | Cengage Learning De Colombia | Helen Stephenson
John Hughes
Paul Dummett
| 2014 |
| 978-958-8865-47-8 | Life Pre-Intermediate Student´s Book Split A | Cengage Learning De Colombia | Helen Stephenson
John Hughes
Paul Dummett
| 2014 |
| 978-958-8865-48-5 | Life Pre-Intermediate Student´s Book Split B | Cengage Learning De Colombia | Helen Stephenson
John Hughes
Paul Dummett
| 2014 |
| 978-958-8865-49-2 | Life Pre-Intermediate Student´s Book Split C | Cengage Learning De Colombia | Helen Stephenson
John Hughes
Paul Dummett
| 2014 |
| 978-958-8865-50-8 | Life Pre-Intermediate Student´s Book Split D | Cengage Learning De Colombia | Helen Stephenson
John Hughes
Paul Dummett
| 2014 |
| 978-958-8865-51-5 | Life Upper-Intermediate Student´s Book Split A | Cengage Learning De Colombia | Helen Stephenson
John Hughes
Paul Dummett
| 2014 |
| 978-958-8865-52-2 | Life Upper-Intermediate Student´s Book Split B | Cengage Learning De Colombia | Helen Stephenson
John Hughes
Paul Dummett
| 2014 |
| 978-958-8865-53-9 | Life Upper-Intermediate Student´s Book Split C | Cengage Learning De Colombia | Helen Stephenson
John Hughes
Paul Dummett
| 2014 |
| 978-958-8865-54-6 | Life Upper-Intermediate Student´s Book Split D | Cengage Learning De Colombia | Helen Stephenson
John Hughes
Paul Dummett
| 2014 |