TY  - BOOK
AU  - Guba E G, Lincoln Y S.
TI  - Effective evaluation: Improving the usefulness of evaluation results through responsive and naturalistic approaches
SN  - 087589493
PY  - 1981///
CY  - San Francisco
PB  - Jossey-Bass Publishers
KW  - Maternal and Child Health
KW  - Program Evaluation-methods
ER  -