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Cheng, P.C.H. (1999). Unlocking conceptual learning in mathematics and science with effective representational systems. Computers & Education, 33(2), 109-130. Elsevier Ltd.
You are about to send the following abstract:
Cheng, P.C.H. (1999). Unlocking conceptual learning in mathematics and science with effective representational systems. Computers & Education, 33(2), 109-130. Elsevier Ltd.