TY  - BOOK
AU  - Piskurich,George M
TI  - Self-directed learning: a practical guide to design, development, and implementation 
T2  - The Jossey-Bass management series
SN  - 1555425321
U1  - 374.13943 
PY  - 1993///
CY  - San Francisco, CA.
PB  - Jossey-Bass
KW  - Educación de adultos
KW  - Estados Unidos
ER  -