Greenlees, Ian
Norman Douglas / Ian Greenlees
Longman Group, 1971
 Buku Teks
Riddle, Douglas F.
Analytic geometry / Douglas F. Riddle
PWS Publishing Co., 1992
 Buku Teks
McQuaig, Douglas J.
College accounting / Douglas J. McQuaig
Houghton Mifflin, 1989
 Buku Teks
Pike, Dauglas
Australia the quiet continent/Douglas Pike
Cambridge at the University Press, 1966
 Buku Teks
Cassell, Douglas A.
Microcomputers and modern control engineering / Douglas A.
Reston Publishing, 1983
 Buku Teks
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