TY  - BOOK
AU  - EDWARDS,Roy
AU  - Bambang Sumantri
AU  - Mary Edwards
TI  - Membantu Anak Memahami Matematika : = Help Your Child With Maths 
SN  - 979-511-454-9
U1  - 510.1 
PY  - 1993///
CY  - Jakarta
PB  - Gramedia Pustaka Utama
KW  - 0
KW  - Grade 7-9
ER  -