TY  - BOOK
AU  - Guba,Egon G.
AU  - Lincoln,Yvonna S.
TI  - Fourth generation evaluation
SN  - 0803932359 :
PY  - 1989///
CY  - Newbury Park, Calif., London
PB  - Sage
KW  - Research
KW  - Assessment
N1  - Bibliography: p. 271-279. - Includes index
ER  -