GUP'P13 UG/13995 UG/13996 UG/13997 UG/13998 UG/13999 UG/20652 UG/20653 UG/20654 UG/20655 UG/20656 Gupta, B. R Consumer electronics / B. R Gupta & Vandana Singhal. – 6th ed. – New Delhi : S. K. Kataria, 2013 (2017 reprint) (Acc.UG/20652-UG/20656 2018 reprint) xvi, 372 [2]p. ISBN9789350144077 : Rs.250/- . Electronic industries . Singhal, Vandana |