000			00343nam a2200145Ia 4500
999			_c20858 _d20858
005			20220718091629.0
008			180712s9999 xx 000 0 und d
020			_a8176464171
082			_223
100			_aKUMAR, P.S.G
245			_aInformation and communication
260			_aDelhi _bB.R. pub. _c2004
300			_aviii, 464p.
942			_cR