TY  - BOOK
AU  - Krishan Kumar
TI  - Shaikshik gyan aur varchasva
SN  - 81-86684-33-6
U1  - 370.193 21st
PY  - 1998///
CY  - New Delhi
PB  - Granth Shilpi
KW  - Education; Teaching-Aids and devices; Education, Primary
ER  -