TY - BOOK AU - Liebeck,Pamela ED - Penguin Books TI - How children learn mathematics: a guide for parents and teachers SN - 0140134883 U1 - 372.7044 23 PY - 1990///. CY - London: PB - Penguin Books, KW - Mathematics KW - Study and teaching (Elementary) KW - Study and teaching (Preschool) N1 - Includes bibliographical references and index ER -