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Buku Teks
edited by H. Igor Ansoff
John Wiley & Sons, 1976
Buku Teks
Zaid Hamzah, author
LexisNexis, 2010
Buku Teks
Keller, Kevin Lane, author
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Buku Teks
Stacey, Ralph D., author
Financial Times Prentice Hall, 2011
Buku Teks