| 000 | 00387nam a2200145Ia 4500 | ||
|---|---|---|---|
| 008 | 190328s9999||||xx |||||||||||||| ||und|| | ||
| 040 |
_aNITIL _cNITIL |
||
| 082 |
_221st _a504 _bS617V |
||
| 100 | _aSingh, Jayram | ||
| 245 | 0 |
_aVigyan ka vikas aur manav pragati _cJayram Singh |
|
| 260 |
_aNew Delhi _bPraveen _c1990 |
||
| 300 | _a112p. | ||
| 650 | _aScience-History; Research | ||
| 942 | _cBKS | ||
| 999 |
_c9113 _d9113 |
||