http://library.bids.org.bd/cgi-bin/koha/opac-search.pl?q=ccl=Provider%3AThe%20Open%20University%20%2C%20and%20itype%3ADC&format=rss2 11 0 500 ISBN http://library.bids.org.bd/cgi-bin/koha/opac-detail.pl?biblionumber=6711 Walton House : The Open University , 1983 . 120p. : 30 cm..

]]> http://library.bids.org.bd/cgi-bin/koha/opac-detail.pl?biblionumber=6711 ISBN http://library.bids.org.bd/cgi-bin/koha/opac-detail.pl?biblionumber=6712 Walton House : The Open University , 1983 . 82p. : 30 cm..

]]> http://library.bids.org.bd/cgi-bin/koha/opac-detail.pl?biblionumber=6712 ISBN http://library.bids.org.bd/cgi-bin/koha/opac-detail.pl?biblionumber=6713 Walton House : The Open University , 1983 . 84p. : 30 cm..

]]> http://library.bids.org.bd/cgi-bin/koha/opac-detail.pl?biblionumber=6713 ISBN http://library.bids.org.bd/cgi-bin/koha/opac-detail.pl?biblionumber=6714 Walton House : The Open University , 1983 . 41p. : 30 cm..

]]> http://library.bids.org.bd/cgi-bin/koha/opac-detail.pl?biblionumber=6714 ISBN http://library.bids.org.bd/cgi-bin/koha/opac-detail.pl?biblionumber=6715 Walton House : The Open University , 1983 . 44p. : 30 cm..

]]> http://library.bids.org.bd/cgi-bin/koha/opac-detail.pl?biblionumber=6715 ISBN http://library.bids.org.bd/cgi-bin/koha/opac-detail.pl?biblionumber=6716 Walton House : The Open University , 1983 . 36p. : 30 cm..

]]> http://library.bids.org.bd/cgi-bin/koha/opac-detail.pl?biblionumber=6716 ISBN http://library.bids.org.bd/cgi-bin/koha/opac-detail.pl?biblionumber=6717 Walton Hall : The Open University , 1983 . 33p. : 30 cm..

]]> http://library.bids.org.bd/cgi-bin/koha/opac-detail.pl?biblionumber=6717 ISBN http://library.bids.org.bd/cgi-bin/koha/opac-detail.pl?biblionumber=6718 Walton Hall : The Open University , 1983 . 5p. : 30 cm..

]]> http://library.bids.org.bd/cgi-bin/koha/opac-detail.pl?biblionumber=6718 ISBN http://library.bids.org.bd/cgi-bin/koha/opac-detail.pl?biblionumber=6719 Walton Hall , The Open University , 1983 . 51p. : 30 cm..

]]> http://library.bids.org.bd/cgi-bin/koha/opac-detail.pl?biblionumber=6719 ISBN http://library.bids.org.bd/cgi-bin/koha/opac-detail.pl?biblionumber=6720 Walton Hall : The Open University , 1983 . 44p. : 30 cm..

]]> http://library.bids.org.bd/cgi-bin/koha/opac-detail.pl?biblionumber=6720 ISBN http://library.bids.org.bd/cgi-bin/koha/opac-detail.pl?biblionumber=6721 Walton Hall : The Open University , 1983 . 34p. : 30 cm..

]]> http://library.bids.org.bd/cgi-bin/koha/opac-detail.pl?biblionumber=6721