| 000 | 00448nam a22001577a 4500 | ||
|---|---|---|---|
| 008 | 230418b |||||||| |||| 00| 0 eng d | ||
| 040 |
_aNational Science Library _cNational Science Library |
||
| 080 |
_a371.3:5 _bk8 |
||
| 100 |
_aVaidya, Narendera _96771 |
||
| 245 | _aProblem solving in science | ||
| 260 |
_aDelhi: _bS. Chand & C0., _c1968 |
||
| 300 | _axi, 188p. | ||
| 650 | _aScience | ||
| 653 | _aTeacher education | ||
| 942 |
_2udc _cBK |
||
| 999 |
_c20713 _d20713 |
||