000
00303nam a2200133Ia 4500
005
20260205102632.0
008
260111s9999||||xx |||||||||||||| ||und||
082
_a
540 N213C
245
0
_a
Chemistry
260
_a
Delhi
_b
NCERT
_c
1972
300
_a
115p.
690
_a
Science ;Chemistry
942
_c
BK
999
_c
249366
_d
249366