Ballard, Brigid
Longman, 1984
Buku Teks
Netherlands Organization for InternationalCooperation in Higher Education, 2006
Multimedia
Shaffa Ati Fadzrin, author
Fakultas Ilmu Pengetahuan dan Budaya Universitas Indonesia, 2017
UI - Makalah dan Kertas Kerja
editor, Made W. Wiratma
International Development Program of Australian Universities and Colleges : Australian Education Centre, [date of publication not identified]
Buku Referensi
Navira Prima Dinata, author
Fakultas Ilmu Sosial dan Ilmu Politik Universitas Indonesia, 2024
UI - Skripsi Membership