Frick, Heinz, author
Kanisius, 2006
Buku Teks
Teddy Boen, author
[publisher not identified], [date of publication not identified]
Buku Referensi
Fajar Rian Wulandari, author
Fakultas Teknik Universitas Indonesia, 2021
UI - Skripsi (Membership)
Maya Sandya Pertiwi, author
1996
UI - Skripsi (Membership)
Sitorus, Rolita, author
1996
UI - Skripsi (Membership)