TY - GEN AU - Houde, Olivier TI - Concept of number, the principles-before-skills hypothesis, and the know-when in numerical reasoning KW - Psicologia Cognitiva KW - 2300 - Psicologia Experimental, Psicologia Cognitiva UR - https://catalogo.ispa.pt/opac/biblioteca/localizacao_doc/r5.htm ER -