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Mapping development in students' understanding of vision us..:

Collis, K.F ; Jones, B.L ; Sprod, T..
International journal of science education.  20 (1998)  1 - p. 45-66 , 1998
Exemplar:  Zentrale:E03 z pae 638 j/734; Zentrale:Magazin Zs fe 1734