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Buku Teks
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Fakultas Ekonomi dan Bisnis Universitas Indonesia, 2008
UI - Tesis (Open)
edited Iman G. Lanti, Greg Mils, Sigit Wardono
Pustaka Cidesindo, 1997
Buku Teks
Gandhi, M.K.
Ahmedabad Navajivan Publishing House 1928
Buku Teks