Ackoff, Russell Lincoln, 1919-, author
John Wiley & Sons, 1974
Buku Teks
Jamrozik, Adam, author
Cambridge University Press, 2000
Buku Teks
Jamrozik, Adam, author
Cambridge University Press, 1998
eBooks
Jamrozik, Adam, author
Cambridge University Press, 1998
eBooks
Brown, Martin, author
Free Press, 1971
Buku Teks