Artikel Jurnal
Artikel Jurnal
Stout, Linda
Berrett-Koehler, 2011
Buku Teks SO
edited by Jan vom Brocke, Stefan Seidel and Jan Recker
Springer, 2012
eBooks
editors, Kirit Parikh and Ferenc Rabar
International Institute For Applied Systems Analysis, 1981
Buku Teks