TY  - BOOK
AU  - Weilenmann Alexander
AU  - UNITED NATIONS EDUCATIONAL, SCIENTIFIC AND CULTURAL ORGANIZATION
ED  - UNITED NATIONS EDUCATIONAL, SCIENTIFIC AND CULTURAL ORGANIZATION
TI  - Evaluation research and social change
SN  - 9231016997
U1  - Y:6:f, M0 
PY  - 1980///
CY  - Paris
PB  - UNESCO France       
KW  - SOCIOLOGY
ER  -