Samosir, C. Djisman, author
Universitas Indonesia, 1990
UI - Tesis (Membership)
Samosir, C. Djisman, author
Binacipta, 1992
Buku Teks
Samosir, C. Djisman, author
Bina Cipta, 1992
Buku Teks
Murtini, author
2001
UI - Tesis (Membership)
Tjahjo Damirin, author
1986
UI - Skripsi (Membership)