McKay, W.B.
The English Language Book Society and Longman, 1971
Buku Teks
McKay, W.B.
The English Language Book Society and Longman, 1971
Buku Teks
McKay, W.B.
The English Language Book Society and Longman, 1971
Buku Teks
Sobari, author
Program Pascasarjana Universitas Indonesia, 1997
UI - Tesis (Membership)
Ferry Ferdian, author
Fakultas Ilmu Administrasi Universitas Indonesia, 2014
UI - Skripsi (Membership)