TY  - BOOK
AU  - Funnell,Sue C.
AU  - Rogers,Patricia J.
TI  - Purposeful program theory: effective use of theories of change and logic models 
SN  - 9780470478578 (rústica)
AV  - H62 F86
U1  - 001.4/2 22
PY  - 2011///
CY  - San Francisco, California
PB  - Jossey-Bass
KW  - Investigaciones evaluativas (Programas de acción social)
ER  -