000			00539nam a22002057a 4500
003			OSt
005			20230315152433.0
008			230315b ||||| |||| 00| 0 eng d
020			_a9789352869152
082			_a004.6 COM
100			_aComer, Douglas E.
245			_aComputer networks and internets
250			_a6th ed.
260			_aIndia : _bPearson, _c2019.
300			_a667 p. : _c24 cm.
942			_cBK
999			_c6733 _d6733