Annabel Teh Gallop, author
University of Indonesia, Faculty of Humanities, 2019
Artikel Jurnal
edited by Denis Dwyer
Longman Scientific & Technical, 1994
Buku Teks
Buku Teks
Elkins, William R., author
McGraw-Hill, 1982
Buku Teks
Mahathir bin Mohamad, 1925-, author
Pelanduk Publications, 2002
Buku Teks