| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| An evaluation of the Western Highlands Association for the Disabled Programme | 978-9980-75-056-3 (9980-75-056-1) | 1992 | |
| Missing Links: Literacy, Awareness, and Development in Papua New Guinea | 978-9980-75-076-1 (9980-75-076-6) | 1995 | Michael Bopp |