https://opac.ru.ac.bd/cgi-bin/koha/opac-search.pl?q=ccl=an%3A179744&sort_by=relevance&format=rss 4 0 100 ISBN:0063180472 https://opac.ru.ac.bd/cgi-bin/koha/opac-detail.pl?biblionumber=60397 ]]> London ; | New York : Harper & Row, 1976 .
xvi, 426 p. : 26 cm..
0063180472

]]> Place hold on Educational research in classrooms and schools :

]]> https://opac.ru.ac.bd/cgi-bin/koha/opac-detail.pl?biblionumber=60397 ISBN:0030831407 https://opac.ru.ac.bd/cgi-bin/koha/opac-detail.pl?biblionumber=60405 ]]> New York : Holt, Rinehart and Winston, 1971 .
xiii, 460 p. : 23 cm..
0030831407

]]> Place hold on Educational research :

]]> https://opac.ru.ac.bd/cgi-bin/koha/opac-detail.pl?biblionumber=60405 ISBN: https://opac.ru.ac.bd/cgi-bin/koha/opac-detail.pl?biblionumber=60425 Geneva ; | Paris : International Bureau of Education ; | Unesco, 1966 .
xlix, 171 p. ; 24 cm..

]]> Place hold on The organization of educational research :

]]> https://opac.ru.ac.bd/cgi-bin/koha/opac-detail.pl?biblionumber=60425 ISBN: https://opac.ru.ac.bd/cgi-bin/koha/opac-detail.pl?biblionumber=61134 By ভট্রাচার্য, নিবাস .
কলিকাতা : ইন্ডিয়ান অ্যাসোসিয়েশন, .
[১০], ২৭৪ পৃ. ; ২১ সেমি. .

]]> Place hold on শিক্ষা-সমীক্ষা /

]]> https://opac.ru.ac.bd/cgi-bin/koha/opac-detail.pl?biblionumber=61134