Abya-Yala Ediciones · Seix Barral
| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Farmer-to-farmer extension: Lessons from the field | 978-9978-04-324-0 (9978-04-324-1) | 1997 |
| Participatory action research and social change | 978-9978-951-30-9 (9978-951-30-X) | 1997 |