https://koha.sxcthumba.ac.in/cgi-bin/koha/opac-search.pl?q=ccl=au%3A%22Khanna%2C%20D%20R%22&sort_by=relevance&format=rss 3 0 50 ISBN: https://koha.sxcthumba.ac.in/cgi-bin/koha/opac-detail.pl?biblionumber=10468 By Khanna, D R; Gulati, H R.
R Chand & Co., New Delhi, 1979 .
p. ; 22 cm..

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]]> https://koha.sxcthumba.ac.in/cgi-bin/koha/opac-detail.pl?biblionumber=10468 ISBN: https://koha.sxcthumba.ac.in/cgi-bin/koha/opac-detail.pl?biblionumber=14725 By Khanna, D R; Bedi, R S.
Atma Ram & Sons, New Delhi, 1980 .
p. ; 22 cm..

]]> Place hold on Textbook of sound with theory of oscillations and waves /

]]> https://koha.sxcthumba.ac.in/cgi-bin/koha/opac-detail.pl?biblionumber=14725 ISBN:9780030619342 https://koha.sxcthumba.ac.in/cgi-bin/koha/opac-detail.pl?biblionumber=14756 By Khanna, D R.
Khanna Publishers, Delhi, 1986 .
p. ; 22 cm..
9780030619342

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