2
by Otten, R.H.J.M., van Ginneken, L.P.P.P.
Published 1989
Springer US

3
by Popescu-Pampu, Patrick
Published 2016
Springer International Publishing

10
by Phillips, Patricia Pulliam
Published 2010
ASTD Press

14
by Paolo Piccaluga, Pier
Published 2021
IntechOpen

15
by Punjabi, Prakash P.
Published 2015
Springer International Publishing

18
by Phillips, Patricia Pulliam
Published 2013
ASTD Press/ROI Institute

19
by Phillips, Patricia Pulliam
Published 2005
ASTD Press

20
by Phillips, Patricia Pulliam
Published 2012
ASTD Press