TY  - BOOK
AU  - Surja Kumari
TI  - Enrichment training course for resource persons in mathematics at upper primary level (held on November 11-15, 1991)
U1  - 372.7 ENR 
PY  - 1991///
CY  - New Delhi
PB  - Deptt of Edu. in Sc and Math., NCERT
KW  - Elementary education
ER  -