Kalogirou, Efstratios N., 1969-, author
CRC Press, 2018
Buku Teks
Silvia Ulfa, author
PAU-EK-UI, 1991
Buku Teks
Aaker, David A., author
John Wiley & Sons, 1995
Buku Teks
Churchill, Gilbert A., author
Thomson, 2005
Buku Teks
Cooper, Donald R., author
McGraw-Hill/Irwin, 2006
Buku Teks