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$17.10 Original price was: $17.10.$4.28Current price is: $4.28.
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$56.99 Original price was: $56.99.$24.99Current price is: $24.99.
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$128.35 Original price was: $128.35.$24.99Current price is: $24.99.
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$24.99 Original price was: $24.99.$6.25Current price is: $6.25.
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$17.49 Original price was: $17.49.$4.37Current price is: $4.37.
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$380.00 Original price was: $380.00.$24.99Current price is: $24.99.
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$26.00 Original price was: $26.00.$7.80Current price is: $7.80.
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$69.99 Original price was: $69.99.$24.99Current price is: $24.99.
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$32.99 Original price was: $32.99.$9.90Current price is: $9.90.
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$350.00 Original price was: $350.00.$24.99Current price is: $24.99.
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$66.99 Original price was: $66.99.$24.99Current price is: $24.99.
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$53.00 Original price was: $53.00.$24.99Current price is: $24.99.
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$17.99 Original price was: $17.99.$4.50Current price is: $4.50.
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$33.99 Original price was: $33.99.$10.20Current price is: $10.20.
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$15.99 Original price was: $15.99.$4.00Current price is: $4.00.
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$56.99 Original price was: $56.99.$24.99Current price is: $24.99.
![[Pi – Sigma] 1st Edition](https://covers.vitalsource.com/vbid/9783110193800.jpg "[Pi – Sigma] 1st Edition")
