Papyrus, author
Elex Media Komputindo, 2019
Buku Teks
[publisher not identified], [date of publication not identified]
Naskah
[publisher not identified], [date of publication not identified]
Naskah
Universitas Indonesia, 2005
UI - Skripsi Membership
Vajar Kasmawati, author
Fakultas Matematika dan Ilmu Pengetahuan Alam Universitas Indonesia, 2008
UI - Skripsi Membership