Bong Novi Herawati, author
Universitas Indonesia, 2008
UI - Skripsi (Open)
Universitas Indonesia, 2008
UI - Skripsi (Membership)
Gould, Ronald, author
The Benjamin Cumming , 1988
Buku Teks
Hsu, Lih-Hsing, author
CRC Press, Taylor & Francis Group, 2009
Buku Teks
Bollobas, Bela, author
Academic Press, 1978
Buku Teks