Rodríguez Hölkemeyer, P. (1980). L. von Bertalanffy and Piaget: New unitary conception of science.
シカゴスタイル引用形Rodríguez Hölkemeyer, Patricia. L. Von Bertalanffy and Piaget: New Unitary Conception of Science. 1980.
MLA引用形式Rodríguez Hölkemeyer, Patricia. L. Von Bertalanffy and Piaget: New Unitary Conception of Science. 1980.
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