Nasrun Lubis, author
Universitas Indonesia, 1989
UI - Tesis (Membership)
Winchell, Alexander N., author
John Wiley & Sons, 1937
Buku Teks
Suroso, author
1992
UI - Tesis (Membership)
Ignasius Iryanto, author
1991
UI - Tesis (Membership)
Springer Cham, 2019
eBooks