00556cam a2200181 a 4500 35211 35211 900829s1991 paua 001 0 eng 9788120348646 GUPTA, Prakash C. Data communications and computer networks / Prakash C. Gupta. 2nd ed. Delhi : PHI Learning Private Limited, c2014. xxvii, 848 p. : ill. ; Includes index. Computer networks. 2083 Data transmission systems. 7837 BK TK5105.5 .C487 1990 0 0 lcc 0 0 NFIC MAIN MAIN OOER 2021-06-17 PHC 0 TK 5105.5 .G86 2014 0044774 2021-06-17 00:00:00 2 BK 0 0 lcc 0 0 NFIC MAIN MAIN OOER 2023-07-10 PHC 0 TK 5105.5 .C487 2014 0047074 2023-07-10 00:00:00 2 BK 0 0 lcc 0 0 NFIC MAIN MAIN OOER 2023-11-27 PHC 0 TK 5105.5 .C487 2014 0047073 2023-11-27 00:00:00 1 BK