Leather, Philip
Longman, 1992
Buku Teks
Tiara Shabrina, author
Fakultas Teknik Universitas Indonesia, 2019
UI - Skripsi (Membership)
Nisa Zakiah, author
2014
UI - Skripsi (Membership)
Annisa Fitriani, author
2008
UI - Skripsi (Open)
Gita Advenia, author
Fakultas Teknik Universitas Indonesia, 2022
UI - Skripsi (Membership)