TY  - BOOK
AU  - Smoothey,Marion
TI  - Quadrilaterals
T2  - Let's investigate
SN  - 9833001246
U1  - 510 23
PY  - 2004///
CY  - Kuala Lumpur : 
PB  - Federal Publications , 
KW  - Quadrilaterals - Juvenile literature
ER  -