TY  - BOOK
AU  - Guba,Egon G.
AU  - Lincoln,Yvonna S.
TI  - Fourth generation evaluation
SN  - 0803932359
U1  - 001.433 
PY  - 1989///
CY  - Newbury Park, Calif.
PB  - Sage Publications
KW  - Evaluation
KW  - Methodology
KW  - Negotiation
N1  - Includes index
ER  -