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020			_a81-242-0107-2
041			_aen
082			_a025.52
100			_aSINGH, Sewa. _95903
245		0	_aHandbook of reference and information services
260			_aNew Delhi _bCrest pub. house _c1997
300			_axvi,351 p.
650		0	_95616 _aReference services (Libraries)
650		0	_94785 _ainformation services
942			_cPR _2ddc