TY  - BOOK
AU  - Pimentel, Ric
TI  - Cambridge IGCSE: Core mathematics 
SN  - 978-1-510-42166-0
U1  - 510.76 PIM 
PY  - 2018///
CY  - London
PB  -  Hodder Education
KW  - Mathematics -problems
ER  -