http://library.bids.org.bd/cgi-bin/koha/opac-search.pl?q=ccl=su%3A%22Energy%22%20and%20su-to%3ANatural%20resources%20and%20au%3AUnited%20Nations%20and%20au%3AUnited%20Nations&format=rss2 15 0 500 ISBN http://library.bids.org.bd/cgi-bin/koha/opac-detail.pl?biblionumber=37153 New York : United Nations , 1964 . viii, 345p. : 28 cm. .

]]> http://library.bids.org.bd/cgi-bin/koha/opac-detail.pl?biblionumber=37153 ISBN http://library.bids.org.bd/cgi-bin/koha/opac-detail.pl?biblionumber=28219 New York : | UN , 1957 . | x, 108p. ; 30 cm..

]]> http://library.bids.org.bd/cgi-bin/koha/opac-detail.pl?biblionumber=28219 ISBN http://library.bids.org.bd/cgi-bin/koha/opac-detail.pl?biblionumber=28344 New York : UN 1959 . xiv, 162 p. : 35 cm. .

]]> http://library.bids.org.bd/cgi-bin/koha/opac-detail.pl?biblionumber=28344 ISBN http://library.bids.org.bd/cgi-bin/koha/opac-detail.pl?biblionumber=28350 New York : UN , 1957 . 184p. ; 30 cm..

]]> http://library.bids.org.bd/cgi-bin/koha/opac-detail.pl?biblionumber=28350 ISBN http://library.bids.org.bd/cgi-bin/koha/opac-detail.pl?biblionumber=28391 New York : UN , 1965 . vi, 114p. ; 30 cm..

]]> http://library.bids.org.bd/cgi-bin/koha/opac-detail.pl?biblionumber=28391 ISBN http://library.bids.org.bd/cgi-bin/koha/opac-detail.pl?biblionumber=28392 New York : ECAFE , 1965 . vii, 98p. ; 30 cm..

]]> http://library.bids.org.bd/cgi-bin/koha/opac-detail.pl?biblionumber=28392 ISBN http://library.bids.org.bd/cgi-bin/koha/opac-detail.pl?biblionumber=28393 Geneva : ECE , 1953 . iv, 34p. ; 28 cm..

]]> http://library.bids.org.bd/cgi-bin/koha/opac-detail.pl?biblionumber=28393 ISBN http://library.bids.org.bd/cgi-bin/koha/opac-detail.pl?biblionumber=28394 Geneva : ECE , 1956 . 114p. ; 30 cm..

]]> http://library.bids.org.bd/cgi-bin/koha/opac-detail.pl?biblionumber=28394 ISBN http://library.bids.org.bd/cgi-bin/koha/opac-detail.pl?biblionumber=28395 Montreal : ILO , 1944 . viii, 289p. ; 24 cm..

]]> http://library.bids.org.bd/cgi-bin/koha/opac-detail.pl?biblionumber=28395 ISBN http://library.bids.org.bd/cgi-bin/koha/opac-detail.pl?biblionumber=28399 Vienna | 1961-62 | IAEA AT |

]]> http://library.bids.org.bd/cgi-bin/koha/opac-detail.pl?biblionumber=28399 ISBN http://library.bids.org.bd/cgi-bin/koha/opac-detail.pl?biblionumber=28401 Vienna : | IAEA , 1961 . | 33p. ; 30 cm..

]]> http://library.bids.org.bd/cgi-bin/koha/opac-detail.pl?biblionumber=28401 ISBN http://library.bids.org.bd/cgi-bin/koha/opac-detail.pl?biblionumber=28402 Vienna | 1962 | IAEA AT | . | 52p.

]]> http://library.bids.org.bd/cgi-bin/koha/opac-detail.pl?biblionumber=28402 ISBN http://library.bids.org.bd/cgi-bin/koha/opac-detail.pl?biblionumber=28487 Geneva : Economic Commission for Europe (ECE) , 1956 . ii, 104p. : 25 cm..

]]> http://library.bids.org.bd/cgi-bin/koha/opac-detail.pl?biblionumber=28487 ISBN http://library.bids.org.bd/cgi-bin/koha/opac-detail.pl?biblionumber=28603 New York : UNIDO , 1978 . xii, 110 p. : 25 cm. .

]]> http://library.bids.org.bd/cgi-bin/koha/opac-detail.pl?biblionumber=28603 ISBN http://library.bids.org.bd/cgi-bin/koha/opac-detail.pl?biblionumber=28220 New York : | UN , 1952 . | 119p. ; 30 cm..

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