| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Child-To-Child: Another Path to Learning | 978-92-820-1049-5 (92-820-1049-X) | 1988 |
| Lifelong education, schools, and curricula in developing countries: Report of an international seminar, Hamburg, 9-13 December 1974, organised by the ... for International Development ; 809 A/a) | 978-92-820-1007-5 (92-820-1007-4) | 1975 |
| Post-graduate teacher training: A Nigerian alternative: study prepared for the International Educational Reporting Service | 978-92-3-101320-1 (92-3-101320-3) | 1975 |