Bigge, M. L. (1971). Positive relativism: An emergent educational philosophy. Harper & Row.
Chicago Style aipamenaBigge, Morris L. Positive Relativism: An Emergent Educational Philosophy. New York: Harper & Row, 1971.
MLA aipamenaBigge, Morris L. Positive Relativism: An Emergent Educational Philosophy. Harper & Row, 1971.
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