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Litle, Brown, 2014
Buku Teks
Feist, Jess, author
McGraw Hil , 2013
Buku Teks
Schultz, Duane P., author
Cengage Learning, 2017
Buku Teks
Hall, Calvin S. (Calvin Springer), 1909-1985, author
John Wiley & Sons, 1998
Buku Teks
Feist, Jess, author
McGraw-Hill, 2002
Buku Teks