Frederovk A. Praeger, 1967
Buku Teks
Anadia Nafila, author
Fakultas Ekonomi dan Bisnis Universitas Indonesia, 2020
UI - Tesis (Membership)
Tran Thi Thanh Tam, author
1996
UI - Tesis (Membership)
Thomas Nelson, 1966
Buku Teks
Thanh-Luong, author
Foreign Language Publishing Haouse, 1955
Buku Teks