| 000 | 00452 a2200157 4500 | ||
|---|---|---|---|
| 040 | _aP K Kelkar Library, IIT Kanpur | ||
| 082 |
_a507 _bUn25u2 |
||
| 245 | 1 | _aUNESCO source book for science teaching | |
| 250 | _a2nd | ||
| 260 |
_aParis _bUnesco _c1963 |
||
| 300 | _a220p | ||
| 500 | _aKanpur.Indian Institute Of Technology | ||
| 650 | _aScience -- Study and teaching | ||
| 710 | _aKanpur.Indian Institute of Technology | ||
| 997 | _a1776 C | ||
| 999 |
_c451731 _d451731 |
||