Representational Competence in Science Education: From Theory to Assessment

Author(s):  
Jochen Scheid ◽  
Andreas Müller ◽  
Rosa Hettmannsperger ◽  
Wolfgang Schnotz
1986 ◽  
Vol 31 (8) ◽  
pp. 568-570
Author(s):  
Richard E. Mayer

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