TY  - BOOK
AU  - Engel,Charles E.
AU  - Vysohlid,Josef
AU  - Vodoratski,V.
TI  - Continuing education for change
SN  - 928901119X
AV  -   
PY  - 1990///
CY  - Copenhagen
PB  - World Health Organization, Regional Office for Europe
ER  -