Order of operations: On convention and met-before acronyms

The Development of Thought: Equilibration of Cognitive Structures

J. A. Easley, Jean Piaget, Arnold J. Rosin · Educational Researcher · 1978 · 1.3K citations

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John H. Flavell · Child Development · 1982 · 340 citations

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Research issues in the learning and teaching of algebra

Choice Reviews Online · 1990 · 321 citations

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Journal of Biological Education · 2008 · 282 citations

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Liora Linchevski, Drora Livneh · Educational Studies in Mathematics · 1999 · 164 citations

Natural Sciences, Computer Science, Mathematics +14