| Autor(en) | Titel | Jahr |
|---|
| Daniel, John S. | Planning for the Future | 1990 |
| Datt, Ruddar | Distance Education - Policies and Strategies (A Case Study of India) | 1990 |
| Datt, Ruddar | Distance Education in the Developing World | 1992 |
| de la Peña, María Teresa Miaja | Open and Distance Education in Mexico: Quality Standarts | 1995 |
| de Mumnik, Evert Otto | Using Radio Unisa in Distance Education | 1992 |
| Dean, A. F. | Television Open Learning | 1995 |
| Dekkers, John | Group Learning for Distance Education | 1990 |
| Dekkers, John | Use of Instructional Materials by Distance Education Students | 1992 |
| Del Campo Adrián, Elena | Description of a Distance Teacher Training Course | 1991 |
| Delling, Rudolf Manfred | Ergebnisse eines Aufenthalts in Kanada im Juni 1982 | 1982 |
| Delling, Rudolf Manfred | Reports from the Federal Republic of Germany | 1985 |
| Delling, Rudolf Manfred | International Distance Education Abstracts and Sources - Ideas | 1987 |
| Delling, Rudolf Manfred | Towards a Theory of Distance Education | 1987 |
| Delling, Rudolf Manfred | International Distance Education Abstracts and Sources | 1988 |
| Delling, Rudolf Manfred | Towards a theory of distance education | |
| Delling, Rudolf Manfred | 12. Weltkonferenz des International Council for Distance Education (ICDE) tagte in Kanada | 1982 |
| Delling, Rudolf Manfred | Grußwort zum 28. April 1986 - 15 Jahre ZFU | 1986 |
| Delling, Rudolf Manfred | Towards a Theory of Distance Education | 1987 |
| Demiray, Ugur | Some Aspects of Teacher Training in Turkey Using a Distance Education System | 1990 |
| Demiray, Ugur | Older Graduates in Distance Education | 1992 |
