Rene Suhardono, author
kompas media nusantara , 2019
Buku Teks
Tyreman, David, author
American Management Association;, 2009
eBooks
Ciputra, author
Gramedia Pustaka Utama , 2019
Buku Teks
Rickertsen, Rick, author
American Management Association, 2006
eBooks
Pierre Jacquet; Pierre Jacquet, editor
Presses de Sciences, 2009
Buku Teks