| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Health policy implications of unemployment | 978-92-890-1029-0 (92-890-1029-0) | 1985 | Per-Gunnar Svensson · G. Westcott |
| The Gabrovo Health Services Model in the People's Republic of Bulgaria: Report on a Study | 978-92-9020-166-3 (92-9020-166-5) | 1980 | J.E Asvall · D.K. Sokolov |