Hakkarainen, O. (2007). Pupils' mental models of a pulley in balance, and how the models are changed by successive pulley demonstrations.
Chicago-viite (17. p.)Hakkarainen, Olavi. Pupils' Mental Models of a Pulley in Balance, and How the Models Are Changed by Successive Pulley Demonstrations. Jyväskylä, 2007.
MLA-viite (9. p.)Hakkarainen, Olavi. Pupils' Mental Models of a Pulley in Balance, and How the Models Are Changed by Successive Pulley Demonstrations. 2007.
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