TY  - BOOK
AU  - Phillips,Jack J.
AU  - Aaron,Bruce C.
TI  - Isolation of results: defining the impact of the program 
T2  - The measurement and evaluation series
SN  - 9780787987190 
U1  - 658.404 23
PY  - 2008///
CY  - San Francisco
PB  - Pfeiffer
KW  - Project management
KW  - Evaluation
KW  - Rate of return
N1  - "An essential knowledge resource"--P. [4] of cover; Includes bibliographical references and index
ER  -