TY  - GEN
AU  - Kirkpatrick, Donald L.
TI  - Evaluating training programs: the four levels
SN  - 1576750426
U1  - 658.312404 
PY  - 1998///
CY  - San Francisco
PB  - Berrett-Koehler
KW  - ELEMENTS OF PERSONAL MANAGEMENT
ER  -