Yayasan Bina Ketenagakerjaan Indonesia, 2001
Buku Referensi
Lofrano, Giusy, editor
Springer, 2012
eBooks
Bwalya, Kelvin Joseph, editor
Chandos, 2014
eBooks
Oodan, Anthony, author
Institution of Engineering and Technology, 2009
eBooks
Emerald Publishing Limited, 2019
eBooks