http://library.bids.org.bd/cgi-bin/koha/opac-search.pl?q=ccl=au%3A%22United%20Kingdom.%20Board%20of%20Trade%22&format=rss2 7 0 500 ISBN http://library.bids.org.bd/cgi-bin/koha/opac-detail.pl?biblionumber=34210 London | 1950 | H.M. Stationery Office GB | . | 31p.

]]> http://library.bids.org.bd/cgi-bin/koha/opac-detail.pl?biblionumber=34210 ISBN http://library.bids.org.bd/cgi-bin/koha/opac-detail.pl?biblionumber=34233 London | n.d. | H.M. Stationery Office GB | . | 18p.

]]> http://library.bids.org.bd/cgi-bin/koha/opac-detail.pl?biblionumber=34233 ISBN http://library.bids.org.bd/cgi-bin/koha/opac-detail.pl?biblionumber=34312 London : Her Majesty's Stationery Office , 1953 . v, 276 p. : 25 cm. .

]]> http://library.bids.org.bd/cgi-bin/koha/opac-detail.pl?biblionumber=34312 ISBN http://library.bids.org.bd/cgi-bin/koha/opac-detail.pl?biblionumber=34313 London : Her Majesty's Stationery Office , 1954 . 108 p. : 25 cm. .

]]> http://library.bids.org.bd/cgi-bin/koha/opac-detail.pl?biblionumber=34313 ISBN http://library.bids.org.bd/cgi-bin/koha/opac-detail.pl?biblionumber=34405 London | 1946 | H.M. Stationery Office GB | . | 67p.

]]> http://library.bids.org.bd/cgi-bin/koha/opac-detail.pl?biblionumber=34405 ISBN http://library.bids.org.bd/cgi-bin/koha/opac-detail.pl?biblionumber=38113 London | 1947 | Her Majesty's Stationery Office GB | . vii, 231p. : 20 cm..

]]> http://library.bids.org.bd/cgi-bin/koha/opac-detail.pl?biblionumber=38113 ISBN http://library.bids.org.bd/cgi-bin/koha/opac-detail.pl?biblionumber=38306 London : Her Majesty's Stationery Office, 1946 . vi, 278p. 23 cm..

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