000			00333nam a2200145Ia 4500
008			241226s9999 xx 000 0 und d
020			_a0
082			_a6 _bDER
100			_aDerfler F J
245		0	_aHow to network work
260			_aNew Delhi : _bTechmedia, _c2021.
350			_a390
650			_aManagement
700			_aFreed L
999			_c165517 _d165517