000 | 00515nam a2200205Ia 4500 | ||
---|---|---|---|
008 | 140520s9999||||xx |||||||||||||| ||und|| | ||
082 | _a372.3504 | ||
082 | _bVai | ||
100 | _aVaidya, Narendera | ||
245 | _aHow Children Discover Knowledge : Theoretical And Practical Foundations Of Student Investigations In Science | ||
260 | _aNew Delhi | ||
260 | _bOxford & Ibh | ||
260 | _c1974 | ||
300 | _a315315 | ||
300 | _bpb | ||
300 | _c5.5x8.5 | ||
350 | _a0 | ||
365 | _b9.9 | ||
365 | _dRuppes | ||
999 |
_c58319 _d58319 |