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Guilford Press, 2006
Buku Teks
Eldefonso, Edward
John Wiley , 1983
Buku Teks
Eva Achjani Zulfa
Faculty of Law University of Indonesia, 2011
Artikel Jurnal
Apong Herlina
2004
Artikel Jurnal
Rubin, H. Ted
McGraw-Hill, 1985
Buku Teks