na INLIS000000000002672 20180720115026 0010-0718000398 ta 180720 g 0 eng 978-1-118-89168-1 004.6 004.6 JER b Jerry Fitzgerald Business Data Communications & Networking 12ed Ed. 12 USA : John Wiley & Sons, 2015 401 hlm : Ilus ; 20x25 cm Komunikasi data Alan Dennis 06347/SAL/P