National Library of Australia,
Majalah, Jurnal, Buletin
Joiner, Ida Arlene, author
Elsevier, 2018
Buku Teks
Saiful Lathif, author
1996
UI - Skripsi (Membership)
Yulia Annisa, author
2016
UI - Skripsi (Membership)
Rhea Margareth Magdalena, author
2014
UI - Skripsi (Membership)