TY  - GEN
AU  - Levine, Robert A.
TI  - Evaluation research and practice : comparative and international perseptives
AV  - H62 A3Eva.
PY  - 1981///
PB  - Sage publications
KW  - Evaluation - Congresses
N1  - 419
N2  - Papers drawn from the American-German Workshop on Evaluation Research, June 1979, Univ. Berlin
ER  -