00515     2200169   4500001002100000005001500021035002000036007000300056008004100059100003200100245007400132600002400206264003300230336002100263337002300284338003800307INLIS00000000000809020210423095720  a0010-0421000657ta210423                           0      0 aJairo GutiérrezePengarang1 aBusiness Data Communications and Networking :bA Research Perspective 4aData Communications  bIdea Group Publishing,c2007  2rdacontentaTeks  2rdamediaaKomputer  2rdacarrieraSumber Sambung Jaring