http://library.bids.org.bd/cgi-bin/koha/opac-search.pl?q=ccl=Provider%3AInstitute%20of%20Education%20and%20Research%20%2C&format=rss2 4 0 500 ISBN http://library.bids.org.bd/cgi-bin/koha/opac-detail.pl?biblionumber=40332 Dacca : Institute of Education and Research , 1970 . xxxv, 656p. : 25 cm. .

]]> http://library.bids.org.bd/cgi-bin/koha/opac-detail.pl?biblionumber=40332 ISBN http://library.bids.org.bd/cgi-bin/koha/opac-detail.pl?biblionumber=40333 Dacca : Institute of Education and Research , 1976 . viii, 261p. : 28 cm..

]]> http://library.bids.org.bd/cgi-bin/koha/opac-detail.pl?biblionumber=40333 ISBN http://library.bids.org.bd/cgi-bin/koha/opac-detail.pl?biblionumber=40334 Dacca : Institute of Education and Research(IER) , 1977 . 2 parts. : 25 cm. .

]]> http://library.bids.org.bd/cgi-bin/koha/opac-detail.pl?biblionumber=40334 ISBN http://library.bids.org.bd/cgi-bin/koha/opac-detail.pl?biblionumber=40522 Dacca : Institute of Education and Research , 1973 . xi, 226p. ; 31 cm..

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