Chisholm, Roderick M.
Theory of knowledge
Prentice Hall International, 1989
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Dicker, Georges
Kant's theory of knowledge: an analytical introduction
Oxford University Press , 2004
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Walker, Lorraine Olszewski
Strategies for theory construction in nursing
Appleton & Lange , 1988
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Walker, Lorraine Olszewski
Strategies for theory construction in nursing
Appleton & Lange, 1995
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Barrow, John D.
Impossibility : the limits of science and the science of limits
Oxford University Press , 1998
 Buku Teks SO