TY  - BOOK
AU  - Robson,Colin
TI  - Small-scale evaluation: principles and practice 
SN  - 0761955100
PY  - 2000///
CY  - London
PB  - Sage Publications
KW  - Evaluation research (Social action programs)
N1  - Includes bibliographical references (p. [144]-149) and index
ER  -