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1
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2
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3ā- Wiggershaus, Rolf, 1944-Ngā marau “...Frankfurt school of sociology....”
I whakaputaina 1986
Pukapuka -
4
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5ā- Zhmud, Leonid J.Ngā marau “...Pythagoras and Pythagorean school....”
I whakaputaina 1997
Pukapuka -
6
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7
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8ā- Burkert, Walter, 1931-Ngā marau “...Pythagoras and Pythagorean school....”
I whakaputaina 1962
Tuhinga Whakapae Pukapuka -
9