Universitas Indonesia, 1976
Buku Teks
Ross, John A., author
Columbia University, 1989
Buku Teks
Gatchalian, Jose C., author
Asian Labor Education Center, 1975
Buku Teks
Cuca, Roberto, author
John Hopkins University Press, 1977
Buku Teks
Miske Ratnasari, author
2017
UI - Skripsi (Membership)