000 00396nam a2200145 4500
020 _a9789392594823
082 _a025.432 DEE/PRA
100 _aDeepmala Nigam
245 _aPractical Universal Classification/
_cby Deepmala Nigam
250 _a3rd.(1961)
260 _aNew Delhi:
_EEss Ess Publications,
_c2024.
300 _a111p.
650 _aClassification-UDC practical
942 _2ddc
_cBK
999 _c748434
_d748434