Kirkpatrick, Donald L.

Evaluating training programs : the four levels by: Kirkpatrick, James D., (1952-); Kirkpatrick, Donald L. (Language materials, printed)

Another look at evaluating training programs : Fifty articles from Training & development and Technical training : magazines cover the essentials of evaluation and return-on-investment. by: Kirkpatrick, Donald L. (Language materials, printed) , [compiled]