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McGraww-Hill , 2000
Buku Teks
by John S. Wright ... [et.al.]
McGraw-Hill, 1977
Buku Teks
Bogart, Leo, author
NTC Businnes Book, 1990
Buku Teks
Sissors, Jack Z.
NTC Businness Books, 1993
Buku Teks
Andalusia Martha Novaline, author
Fakultas Teknik Universitas Indonesia, 2012
UI - Skripsi (Open)