Universitas Indonesia, 2005
UI - Skripsi (Membership)
Universitas Indonesia, 2006
UI - Skripsi (Membership)
Ihda Husnayani, author
Fakultas Matematika dan Ilmu Pengetahuan Alam Universitas Indonesia, 2013
UI - Skripsi (Membership)
Artikel Jurnal
Gijsen, Marnix, author
A.A.M. Stols, [Date of publication not identified]
Buku Teks