000			00338nam a2200133Ia 4500
008			221102s9999 xx 000 0 und d
082			_a020 BHA
100			_aBhatt, R K
245		0	_aInformation systems
260			_bPragati Publication _aDelhi _c2009
300			_a178 p.
650			_aNISCAIR; NISSAT; Information systems
942			_cBK
999			_c6289 _d6289