000
00236nam a22001217a 4500
003
SGT
082
_b
SHA
100
_a
SHARMA,
245
_a
TEACHING OF LIFE SCIENCE
260
_a
DELHI
_b
APH
_c
2020
300
_a
315
942
_2
ddc
_c
BK
999
_c
19905
_d
19905