http://library.bids.org.bd/cgi-bin/koha/opac-search.pl?q=ccl=su%3A%22Energy%22%20and%20itype%3ASR&format=rss2 4 0 500 ISBN http://library.bids.org.bd/cgi-bin/koha/opac-detail.pl?biblionumber=54822 By Ahmed, Nazneen. Dhaka : BIDS, 2019 29 cm..

]]> http://library.bids.org.bd/cgi-bin/koha/opac-detail.pl?biblionumber=54822 ISBN http://library.bids.org.bd/cgi-bin/koha/opac-detail.pl?biblionumber=54720 By Murshid, K.A.S. Dhaka : BIDS, 2018 . xi, 43 p. : 29 cm..

]]> http://library.bids.org.bd/cgi-bin/koha/opac-detail.pl?biblionumber=54720 ISBN http://library.bids.org.bd/cgi-bin/koha/opac-detail.pl?biblionumber=50925 By Ahmed, Nazneen. Dhaka : BIDS, 2018 . 41 p. : 24 cm..

]]> http://library.bids.org.bd/cgi-bin/koha/opac-detail.pl?biblionumber=50925 ISBN http://library.bids.org.bd/cgi-bin/koha/opac-detail.pl?biblionumber=50193 By Hossain, Monzur. Dhaka : BIDS , 2018 . vii, 89p. : 24 cm..

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