Keat, Paul G, author
Pearson Education International, 2003
Buku Teks
Morrison, Eileen E., author
Jones and Bartlett, 2011
Buku Teks
Morrison, Eileen E., author
Jones and Bartlett, 2016
Buku Teks
edited by Thomas H. Stanton, Douglas W. Webster
Wiley , 2014
Buku Teks
Rachmadi Agus Triono, author
Salemba Empat, 2012
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