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Oxford University Press, 1997
Buku Teks
Putri Hafsari, author
Fakultas Ekonomi dan Bisnis Universitas Indonesia, 2014
UI - Tesis (Membership)
edited by Paolo Savona and George Sutija
St. Martin`s Press, 1985
Buku Teks
Savage, Donald T., author
John Wiley & Sons, 1977
Buku Teks
Ahmed Salahuddin, author
A.S. Noordeen, 2009
Buku Teks