PUBLISHERS G.K, . (2011). GATE 2011 ELECRONICS AND COMMUNICATIONS ENGINEERING. DELHI: CAMBRIDGE UNIVERSITY PRESS.
PUBLISHERS G.K, . 2011. GATE 2011 ELECRONICS AND COMMUNICATIONS ENGINEERING. DELHI: CAMBRIDGE UNIVERSITY PRESS.
PUBLISHERS G.K, . GATE 2011 ELECRONICS AND COMMUNICATIONS ENGINEERING. DELHI: CAMBRIDGE UNIVERSITY PRESS. 2011.