https://opac.iub.edu.bd/cgi-bin/koha/opac-search.pl?q=ccl=au%3A%22Hungerford%2C%20Harold%20R.%22&sort_by=title_az&format=rss 4 0 50 ISBN: https://opac.iub.edu.bd/cgi-bin/koha/opac-detail.pl?biblionumber=10958 By Marcinkowski, Thomas J..
Paris : UNESCO, 1990 .
iii, 177 p. : 29.5 cm..

]]> Place hold on An Environmental education approach to the training of middle level teachers :

]]> https://opac.iub.edu.bd/cgi-bin/koha/opac-detail.pl?biblionumber=10958 ISBN: https://opac.iub.edu.bd/cgi-bin/koha/opac-detail.pl?biblionumber=10956 By Hungerford, Harold R..
Paris : UNESCO, 1986 .
ix, 100 p. : 29.5 cm..

]]> Place hold on Procedures for developing an environmental education curriculum /

]]> https://opac.iub.edu.bd/cgi-bin/koha/opac-detail.pl?biblionumber=10956 ISBN: https://opac.iub.edu.bd/cgi-bin/koha/opac-detail.pl?biblionumber=10957 By Hungerford, Harold R..
Paris : UNESCO, 1989 .
iii, 161 p. : 29.5 cm..

]]> Place hold on A Prototype environmental education curriculum for the middle school :

]]> https://opac.iub.edu.bd/cgi-bin/koha/opac-detail.pl?biblionumber=10957 ISBN: https://opac.iub.edu.bd/cgi-bin/koha/opac-detail.pl?biblionumber=10804 By Wilke, Richard J.
Paris : Unesco, 1987 .
(5), 152 p. : 30 cm..

]]> Place hold on Strategies for the training of teachers in environmental education /

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