Produkt mají v nabídce:
Child's Conception of Number - Piaget, Jean a Gattegno, C. a Hodgson, F.M.
One of the most salient and inspirational figures in psychological and educational research of the 20th century, Piaget was also prolific, authoring or editing over 80 books and numerous papers. This volume is the fourth in a set of nine which reproduce his original texts.
