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Business Reseach Methods 12th ed, (buku 3). (2014).
New York:
The McGraw-Hill.
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Business Reseach Methods 12th ed, (buku 3).
keduabelas.
New York:
The McGraw-Hill,
2014.
Text.
Gaya MLA
Business Reseach Methods 12th ed, (buku 3).
keduabelas.
New York:
The McGraw-Hill,
2014.
Text.
Gaya Turabian
Business Reseach Methods 12th ed, (buku 3).
New York:
The McGraw-Hill,
2014.
Print.