Hawkins, Barrie, author
Piatkus, 1993
Buku Teks
Minrath, William R., author
D. Van Nostrand, 1956
Buku Teks
Lasser, J.K. (Jacob Kay), author
McGraw-Hill, 1955
Buku Teks
Lasser, J.K. (Jacob Kay), author
McGraw-Hill, 1974
Buku Teks
Baber, Anne, author
American Management Association, 2007
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