TY  - GEN
AU  - Schwartz,Marc
AU  - Fischer,Kurt W.
TI  - Building general knoledge and skill: cognition and microdevelopment in sciece learning 
T2  - Cambridge Studies in Cognitive and Perceptual Development
KW  - Γνωστική ψυχολογία
N1  - Includes bibliographical references (p. 181-185)
ER  -