000
00241nam a22001217a 4500
003
SGT
082
_b
RAN
100
_a
RANI, T. SWARUPA
245
_a
TEACHING OF MATHEMATICS
260
_a
DELHI
_b
APH
_c
2020
300
_a
129
942
_2
ddc
_c
BK
999
_c
19897
_d
19897