1
Published 1983
Book
2
by Schweizer, Heidi.
Published 1999
Book
3
by Martin, S. R. 1935-
Published 2010
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5
6
Published 1983
Conference Proceeding Book
8
Published 2001
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9
Published 2014
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10
Published 2014
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11
Published 2002
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12
Published 2014
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13
by Beane, James A., 1944-
Published 1987
Book
14
Published 2004
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Electronic Journal
16
Published 2000
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Electronic Journal
18
Published 2012
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19
Published 2012
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20