http://library.bids.org.bd/cgi-bin/koha/opac-search.pl?q=ccl=Provider%3ACEC%20%2C&format=rss2 7 0 500 ISBN http://library.bids.org.bd/cgi-bin/koha/opac-detail.pl?biblionumber=29287 Brussels : CEC , 1977 . 268 p. : 25 cm. .

]]> http://library.bids.org.bd/cgi-bin/koha/opac-detail.pl?biblionumber=29287 ISBN http://library.bids.org.bd/cgi-bin/koha/opac-detail.pl?biblionumber=34212 Bombay | 1961 | CEC IN | . | 68p.

]]> http://library.bids.org.bd/cgi-bin/koha/opac-detail.pl?biblionumber=34212 ISBN http://library.bids.org.bd/cgi-bin/koha/opac-detail.pl?biblionumber=38319 London : CEC , 1955 . iv, 42p. : 24 cm..

]]> http://library.bids.org.bd/cgi-bin/koha/opac-detail.pl?biblionumber=38319 ISBN http://library.bids.org.bd/cgi-bin/koha/opac-detail.pl?biblionumber=38397 London : CEC , 1962 . Series : 22 cm. .

]]> http://library.bids.org.bd/cgi-bin/koha/opac-detail.pl?biblionumber=38397 ISBN http://library.bids.org.bd/cgi-bin/koha/opac-detail.pl?biblionumber=38509 London : CEC, 1965 . 207p. : 28 cm..

]]> http://library.bids.org.bd/cgi-bin/koha/opac-detail.pl?biblionumber=38509 ISBN http://library.bids.org.bd/cgi-bin/koha/opac-detail.pl?biblionumber=38510 London : CEC , 1953 . xxiii, 145p. : 22 cm. .

]]> http://library.bids.org.bd/cgi-bin/koha/opac-detail.pl?biblionumber=38510 ISBN http://library.bids.org.bd/cgi-bin/koha/opac-detail.pl?biblionumber=38852 London : | CEC , 1950 . vi, 126p. : 22 cm..

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