00251nam a22001097a 4500 SGT 621.38105 TRISHAN'S GATE-ELECTRONICS & COMMUNICATION ENGINEERING NEW DELHI PEARSON 2019 ddc CD 0 0 ddc 0 0 ENGG FE FE DISPLAY 2020-07-23 SGTU 0 FECD510 2020-07-23 00:00:00 2020-07-23 CD 0 0 ddc 0 0 ENGG FE FE DISPLAY 2020-07-23 SGTU 0 FECD511 2020-07-23 00:00:00 2020-07-23 CD 20371 20371