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1
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2
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3
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4by Creswell, John W.
Published 2014Book -
5by Le Roy, Michael K.
Published 2013Book -
6
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7
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8by Meier, Kenneth J. 1950-
Published 2012Book -
9
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10Book
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11
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12by Babbie, Earl R.
Published 2011Book -
13by Meier, Kenneth J. 1950-
Published 2009Book -
14
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15
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16by Creswell, John W.
Published 2009Book -
17
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18
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19
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20