00000cam a22000003a 4500 UP-1685594773861575253 Buklod 20240630053433.0 j|||||||||||||| | ta 240630s1986 enka d b |||0 || | 0631135812 (pbk.) (iLib)UPBAG-00002907823 DLC BAG rda eng BF 723 N8 H84 Hughes, Martin author. Children and number difficulties in learning mathematics Martin Hughes. Oxford B. Blackwell ©1986. xi, 195 pages illustrations 24 cm text rdacontent unmediated rdamedia volume rdacarrier Includes bibliographical references (pages [185]-189) and index. Number concept in children. FO UPBAG UPBAG-MAIN BF 723 N8 H84 Book