TY - BOOK AU - Hunting,Robert P. AU - Davis,Gary E. TI - Early fraction learning SN - 0387976418 PY - 1991/// CY - New York PB - Springer-Verlag KW - Number concept in children KW - Fractions KW - Psychological aspects KW - Study and teaching (Preschool) KW - Study and teaching (Elementary) N1 - Includes bibliographical references and index ER -