Suprapto, author
Widjaya, 1963
Buku Teks
Suprapto, author
Persatuan, 1961
Buku Teks
Silalahi, Jetro, author
Universitas Indonesia, 1986
UI - Skripsi (Membership)
Abdurrahman, author
Alumni, 1978
Buku Teks
Mochtar Kusumaatmadja, author
Binacipta, 1986
Buku Teks