000 00327nam a2200133Ia 4500
008 241001s2019 xx 000 0 eng d
020 _a9789381984376
082 _a155.4
100 _aKaviratna , Vishnu
245 0 _aBal Manovigyan
260 _aGhaziabad
_bVigyan Shiksha Sansthan
_c2019
300 _a160
942 _2ddc
_cBK
999 _c40202
_d40202