Institute of Social Science, University of Tokyo,
Majalah, Jurnal, Buletin
Korean Social Science Research Council, 2003
Majalah, Jurnal, Buletin
Philippines : De La Salle Univesrsity-Manila, 2005,
Majalah, Jurnal, Buletin
Bonner, Thomas Neville
Prentice-Hall, 1960
Buku Teks SO
Menot, Raymond Michael
Faculty of Social and Political Science, Universitas Indonesia, 2016
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