| 000 | a | ||
|---|---|---|---|
| 999 |
_c93513 _d93512 |
||
| 005 | 20190312150156.0 | ||
| 008 | 190312b ||||| |||| 00| 0 eng d | ||
| 020 | _a9788123780481 | ||
| 080 |
_a511.1 _bDES |
||
| 100 | _aDeshpande, S.P | ||
| 245 | _aConcept of zero | ||
| 260 |
_aNew Delhi _bNational book trust _c2017 |
||
| 300 | _axiii, 129p. | ||
| 490 | _aPopular science | ||
| 653 | _aAncient number system | ||
| 653 | _aRole of zero | ||
| 942 | _cBK | ||