000			00305nam a22001217a 4500
999			_c688 _d688
020			_a978-1-68251-413-9
082			_aCir. 004 A77 C2018
100			_a3G E-learning LLC
245			_aComputer services management
260			_aUSA: _b3G E-learning LLC, _cC2018.
300			_ax, 263p. : ill ; 23cm
942			_cBK