000 00303nam a2200133Ia 4500
008 220201s2020 xx 000 0 eng d
082 _a621.3 GUP
100 _aGupta, JB
245 _aBasic electricity
250 _a13th
260 _aNew Delhi
_bSK Kataria
_c2017
300 _a288p.
942 _2ddc
999 _c30083
_d30083