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Buku Teks
Carrithers, Wallace M.
C.E. Merrill Books, 1967
Buku Teks
Wilkinson, Joseph W., author
Bina Rupa Aksara, 1993
Buku Teks
Wilkinson, Joseph W., author
Erlangga , 1990
Buku Teks
Sukariawati Widjaja, author
Fakultas Ekonomi dan Bisnis Universitas Indonesia, 1982
UI - Skripsi (Membership)