text Jakarta Gramedia 1993 ind x, 127 hlm ilus 21 cm Roy dan Mary Eswards; alih bahasa, Bambang Sumantri Judul asli : Help your child with mathis Indeks Matematika 510 979-511-454-9 20090227022201.0 YOGYA-02090000011982 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)