Sabrina Asrianty Putri
The Student motivation in learning English as a foreign language through discovery learning = Motivasi siswa dalam belajar Bahasa Inggris sebagai bahasa asing melalui pembelajaran penemuan
Fakultas Ilmu Pengetahuan dan Budaya Universitas Indonesia, 2019
 UI - Tugas Akhir
Dakin, Julian
The language laboratory and language learning / Julian Dakin
Longman , 1975
 Buku Teks
Designing second language performance assessments
John M. Norris... [et. al.]
University of Hawai , 1998
 Buku Teks
Ur, Penny
A course in language teaching : practice and theory
Cambridge University Press, 1999
 Buku Teks
Quirk, Randolph
The linguist and the English language / Randolph Quirk
Edward Arnold, 1974
 Buku Teks