Som, Oliver
[Gabler Verlag, ], 2012
eBooks
Tidd, Joseph
John Wiley & Sons, 2013
Buku Teks
Trott, Paul
Pearson Education , 2017
Buku Teks
Ahmed, Pervaiz K., editor
Pearson Prentice Hall, 2010
Buku Teks
Chesbrough, Henry
Harvard Business School Press, 2003
Buku Teks