00456nam a2200157Ia 4500008004100000020001800041082001900059100003000078245005100108250000700159260005000166300002300216500001900239600002000258650002000278240925s9999    xx            000 0 und d  a9789352868452  a378.166205 TRI  aTrishna, Knowledge System 0aGATE electronics and communication engineering  aNA  aUttar Pradesh:bPearson Education Incc,2018.  a626p.b0fOriginal  aIncludes Index  aSocial Sciences  aSocial Sciences