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Bina Aksara, 1981, 1983
Buku Teks
Irawan
Liberty, 1988
Buku Teks
Pardede, Mangara, author
Program Pascasarjana Universitas Indonesia, 1999
UI - Tesis Membership
Bappenas, 1994
Buku Teks
Arndt, H. W. (Heinz Wolfgang), 1915-2002, author
Gadjah Mada University Press, 1991
Buku Teks