E. David Ford, author
Cambridge University Press, 2000
eBooks
Ford, E. David, author
Cambridge University Press, 2000
eBooks
Carey, Stephen S.
Thomson Wadsworth, 2004
Buku Teks
Ackoff, Russell Lincoln, 1919-, author
John Wiley & Sons, 1962
Buku Teks
Gauch, Hugh G., 1942-, author
Cambridge University Press, 2012
Buku Teks