Alexander Hamilton Institute
Alexander Hamilton Institute, 1971
Buku Referensi
Woody, Robert Henley, author
Jossey-Bass, 1989
Buku Teks
Purba, Radiks, author
Rosadi , 1967
Buku Teks
Rosenblatt, S. Bernard, author
Houghton Mifflin, 1973
Buku Teks
Oliveira, Nelio, author
[Physica-Verlag, Physica-Verlag], 2012
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