000
00315nam a2200133Ia 4500
100
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Christensen, Larry B
020
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978-0-205-70165-0
250
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11th ed
942
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BK
245
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Reseach methods, design and analysis
260
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Allyn & Bacon, Boston
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2011
082
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307.2 Chr
300
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xx,539
999
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48860