Utrecht, Elien, author
[publisher not identified], [date of publication not identified]
Buku Teks
Enschede, Ch. J., author
Alumni, 1982
Buku Teks
Teguh Prasetyo, author
Rajawali, 2011
Buku Teks
Simanjuntak, Johannes Roberto Hasibuan, author
Universitas Indonesia, 2010
UI - Skripsi Open
Moeljatno, author
Gadjah Mada University Press , 1982
Buku Teks