Purba G., Edward Hasoloan, author
Universitas Indonesia, 2001
UI - Tesis (Membership)
Universitas Indonesia, 2004
UI - Tesis (Membership)
Sebayang, Perdamean, author
Fakultas Matematika dan Ilmu Pengetahuan Alam Universitas Indonesia, 1999
UI - Tesis (Membership)
Ruslan Effendi, author
2001
UI - Tesis (Membership)
Abraham Surjana Kurniawan, author
2000
UI - Tesis (Membership)