TY  - GEN
AU  - Nicolopoulou, Ageliki
TI  - Invention of writing and the development of numerical concepts in sumeria
KW  - Psicologia Educacional
KW  - 3500 - Psicologia Educacional
UR  - https://catalogo.ispa.pt/opac/biblioteca/localizacao_doc/e2.htm
ER  -