000
00238nam a22001217a 4500
003
SGT
082
_a
370
_b
NAY
100
_a
NAYAK, R.K.
245
_a
DIGITAL LEARNING
260
_a
DELHI
_b
RI PUB
_c
2018
300
_a
276
942
_2
ddc
_c
BK
999
_c
17650
_d
17650