Mangatur Trinovita
Fakultas Psikologi Universitas Indonesia, 2003
UI - Tesis Membership
Yayi Retno Savitri
2007
UI - Tesis Membership
Hastings, Sandra
American Society for Training and Development Press, 2005
eBooks
Atwood, Christee Gabour
American Society for Training & Development, 2007
eBooks
Mattalitti, Sitti Fatimah U.
2006
UI - Tesis Membership