000 00310nam a2200133Ia 4500
008 220201s2020 xx 000 0 eng d
082 _a428.24 THA
100 _aThakur, AK
245 0 _aGeneral English
250 _a7th
260 _aPatna
_bLucent Publication
_c2019
300 _a554p.
942 _2ddc
999 _c30213
_d30213