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Little,Brown and Company, 1979
Buku Teks
Sage, 1981
Buku Teks
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Little, Brown and Company, 1960
Buku Teks
Cut Nabila Zuhra, author
Universitas Indonesia Fakultas Ekonomi dan Bisnis, 2017
UI - Makalah dan Kertas Kerja
Cooper, Phillip J., author
Oxford University Press , 1988
Buku Teks