TY  - BOOK
AU  - Funnell, S.C
AU  - Rogers P.J.
TI  - Purposeful program theory: effective use of theories of the change and logic models
SN  - 9780478578
AV  - DUCE H62.F855 
PY  - 2011///
CY  - Sun Fransisco.
PB  - Jossey-Bass,
N1  - includes references and index
ER  -