The Logic of Scientific Discovery (Routledge Classics) by Karl Popper
$14.93
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Open Society and Its Enemies (Volume 1) by Karl Raimund Popper
$17.79
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Conjectures and Refutations: The Growth of Scientific Knowledge (Routledge Classics) by Karl R. Popper
$13.57
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The Structure of Scientific Revolutions by Thomas S. Kuhn
$10.40
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Objective Knowledge: An Evolutionary Approach by Karl R. Popper
$33.96
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