Ristianto, author
2011
UI - Tesis (Open)
Andrian Libriyono, author
2016
UI - Tesis (Membership)
Ritter, Dale F., author
W.C. Brown, 1986
Buku Teks
Agus Hermansyah, author
Fakultas Matematika dan Ilmu Pengetahuan Alam Universitas Indonesia, 2013
UI - Tesis (Membership)
Clark, John R., author
Lewis Publishers, 1996
Buku Referensi