Kildow, Betty A., author
American Management Association, 2011
Buku Teks
Song, Hua, author
Cengage Learning Asia, 2013
Buku Teks
Cohen, Shoshanah, author
McGraw-Hill, 2013
Buku Teks
Burt, David N., author
McGraw-Hill, 2012
Buku Teks
Seifert, Dirk, author
American Management Association, 2003
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