TRISHNA KNOWLEDGE SYSTEM GATE-2019 ELECTRONICS AND COMMUNICATION ENGINEERING GATE-2019 ELECTRONICS AND COMMUNICATION ENGINEERING - - NEW DELHI PEARSON EDUCATION 2018 - 1234 ISBN: 9.78935E+12 Subjects--Topical Terms: COMMUNICATION GATE -2019 COMMUNICATION Dewey Class. No.: 621.38 TRI / TRI