000
00259nam a22001217a 4500
003
SGT
082
_b
SIN
100
_a
SINGH, HARPAL
245
_a
UNDERSTANDING DISCIPLINES AND SUBJECTS
260
_a
DELHI
_b
EDU PUB
_c
2016
300
_a
166
942
_2
ddc
_c
BK
999
_c
19877
_d
19877