The authors report the results of some half dozen years of research into when and how children acquire numerical skills. They provide a new set of answers to these questions, and overturn much of the traditional wisdom on the subject. 17 tables, 12 line illustrations

Kategori: Bøger (usorteret)

Pris fundet i én butik til 244.95 kr

Opdateret den: 21-09-2025 10:02