https://opac.ru.ac.bd/cgi-bin/koha/opac-search.pl?q=ccl=an%3A164562&sort_by=relevance&format=rss 3 0 100 ISBN:8170352819 https://opac.ru.ac.bd/cgi-bin/koha/opac-detail.pl?biblionumber=55234 ]]> By Khanna, D. R..
Delhi : Daya Pub. House, 2002 .
86 p. : 24 cm.
8170352819

]]> Place hold on Pond fish ecology and economics /

]]> https://opac.ru.ac.bd/cgi-bin/koha/opac-detail.pl?biblionumber=55234 ISBN: https://opac.ru.ac.bd/cgi-bin/koha/opac-detail.pl?biblionumber=71416 By Khanna, D R .
Delhi : R. Chand, 1971 .
595 p. : , Includes index 26 cm..

]]> Place hold on Fundamental of optics :

]]> https://opac.ru.ac.bd/cgi-bin/koha/opac-detail.pl?biblionumber=71416 ISBN: https://opac.ru.ac.bd/cgi-bin/koha/opac-detail.pl?biblionumber=72974 By Khanna, D. R.
New Delhi : R. Chand, 1979 .
xi, 595 p. : , Includes index 20 cm..

]]> Place hold on Fundamentals of optics :

]]> https://opac.ru.ac.bd/cgi-bin/koha/opac-detail.pl?biblionumber=72974