TY  - GEN
AU  - Paas, Fred
AU  - Van Merrienboer, Jeroen
TI  - Variability of worked examples and transfer of geometrical problem-solving skills
KW  - Psicologia e Educacao
KW  - 3500 - Psicologia Educacional
UR  - https://catalogo.ispa.pt/opac/biblioteca/localizacao_doc/r4.htm
ER  -