000
00254nam a2200121Ia 4500
008
230321s9999 xx 000 0 und d
082
_b
PED
100
_a
---
245
0
_a
Pedagogy of Science pt.1
260
_b
NCERT
_c
2013
300
_a
301
942
_c
BK
999
_c
3220
_d
3220