Allen, Warren W., author
South-Western Publishing, 1993
Buku Teks
Mariska Nauli, author
2013
UI - Skripsi (Membership)
Boockholdt, James L., author
Irwin, 1996
Buku Teks
Wheeler, James E., author
Richard D. Irwin , 1981
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Kaluza, Henry J., author
McGraw-Hill/Ryerson, 1976
Buku Teks