Simonsen, Peggy
American Society For Training & Development;, 1995
eBooks
Melissa Angelia
Fakultas Psikologi Universitas Indonesia, 2012
UI - Skripsi (Open)
Pitt, Gavin A.
Prentice-Hall, 1959
Buku Teks
Hartini Nara
Fakultas Psikologi Universitas Indonesia, 2005
UI - Tesis (Membership)
Rengganis Lenggogeni Biran
Fakultas Psikologi Universitas Indonesia, 2006
UI - Tesis (Membership)