TY  - BOOK
AU  - Sork, Thomas J
TI  - Mistakes made lessons learned: overcoming obstacles to successful program planning 
SN  - 1555427839
AV  - LC 5251 M58.1991
PY  - 1991///
CY  - San Francisco
PB  - Jossey-Bass
KW  - Educación de adultos
KW  - Evaluación
KW  - Educación continua
ER  -