Artikel Jurnal
Bevani Cattleya, author
Fakultas Teknik Universitas Indonesia, 2005
UI - Skripsi Membership
Serrats, Marta, author
Page one publishing pte ltd, 2011
Buku Referensi
Rosiana Ambarwati, author
Universitas Indonesia, 2001
UI - Tesis (Membership)
Wiley, 1997
Buku Teks