Fahrizal Alamsyah, author
Elex Media Komputindo, Gramedia, 2008
Buku Teks
Fahrizal Alamsyah, author
Elex Media Komputindo, Gramedia, 2009
Buku Teks
Appleman, Jack E., author
2009
eBooks
Anisa Sher Shah, author
Fakultas Ekonomi dan Bisnis Universitas Indonesia, 2018
UI - Makalah dan Kertas Kerja
Oberstein, Sophie, author
American Society for Training & Development, 2009
eBooks