TY  - BOOK
AU  - Hukum Singh  
AU  - Avtar Ram
AU  - V.P.Singh
TI  - A hand book for designing mathematics laboratory in schools / 
SN  - 8174503315
U1  - 510 
PY  - 2005///
CY  - New Delhi
PB  - National Council Of Educational Research And Training
ER  -