TY  - BOOK
AU  - Chona, Shayama
AU  - Ghosh, Jonaki B
TI  - Mathematics laboratory activities: workbook for class x
SN  - 8124111782
U1  - 510 CHO 
PY  - 2006///
CY  - New Delhi
PB  - Haranand Publications Pvt. Ltd
KW  - Mathematics
ER  -