TY  - GEN
AU  - Sechrest, Lee (e tal..)
TI  - Evaluation studies : : review annual / 
SN  - 080391329X
U1  - 001.4 EVA 
PY  - 1979///
CY  - London : Sage Publications
KW  - Research
KW  - Evaluation
KW  - Evaluation studies
ER  -