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Scientific method :

Ritchie, Arthur David, 1891-1967. Ritchie, Arthur David, 1891-1967.

Scientific method : an inquiry into the character and validity of natural laws. - Paterson, NJ : Littlefield, Adams, 1960. - International library of psychology, philosophy and scientific method .

"First published 1923."

60015120


Science -- Methodology.--Science -- Methodology.

Q175 / .R5 1960

501.8
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