TY  - BOOK
AU  - Surja Kumari
TI  - Enrichment training course for resource persons in mathematics at upper primary level (held on Sept. 17-21, 1990-91)
U1  - 372.7 ENR 
PY  - 1991///
CY  - New Delhi
PB  - Deptt. of Edu. in Sc. and Math., NCERT
KW  - Elementary Education
ER  -