000
00303nam a2200133Ia 4500
008
220201s2020 xx 000 0 eng d
082
_a
621.3 GUP
100
_a
Gupta, JB
245
_a
Basic electricity
250
_a
13th
260
_a
New Delhi
_b
SK Kataria
_c
2017
300
_a
288p.
942
_2
ddc
999
_c
30081
_d
30081