B.Y. Eko Budi Jumpeno, author
vii, 84 pages : illustration ; 28 cm + appendix, 1998
UI - Tesis (Membership)
Siringoringo, Poltak, author
Universitas Indonesia, 1996
Buku Teks
Universitas Indonesia, 1996
UI - Tugas Akhir
Hutapea, Anthony L.P., author
Universitas Indonesia, 1992
UI - Skripsi (Membership)
Universitas Indonesia, 1996
UI - Tugas Akhir