TY  - BOOK
AU  - Mertens, Donna M. and Wilson, Amy T.
TI  - Program evaluation theory and practice : : a comprehensive guide
SN  - 9781462532759
AV  - H 62 .M42317 2019 
PY  - 2019///
CY  - New York
PB  - The Gulford Press
KW  - Evaluation research (Social action programs)
KW  - Social sciences--Research--Methodology
N1  - Includes bibliographical references (pages 551-581) and indexes
ER  -