TY  - BOOK
AU  - Khurana, KJS
AU  - Markanday, R
TI  - Maths 18 days wondr
SN  - 812193351x
U1  - 510/KJS 
PY  - 2010///
CY  - New Delhi
PB  - S.Chand & Company Ltd
KW  - Mathematics
ER  -