Użytkownik "Valexe" <v...@L...it> napisał w wiadomości
news:3b63b5e0.1746905@newsread.albacom.net...
> Just do it, thanks. But it's not simple to find articles about
> Piaget's theory.

Well, then how about going to a good old-fashioned library? I'm sure you'll
find a lot of information about him.