https://libcat.egst.edu.et//cgi-bin/koha/opac-search.pl?q=ccl=pl%3A%22Tucson%20%3A%22&sort_by=relevance&format=rss 2 0 50 ISBN:0816512639 (pbk) : | 0816512639 (pbk) https://libcat.egst.edu.et//cgi-bin/koha/opac-detail.pl?biblionumber=4686 ]]> Tucson : University of Arizona Press, 1990 .
xv, 264 p. : , "This volume had its inception in the workshop sponsored by the Ethics Working Group of the International Union for the Conservation of Nature and Natural Resources (IUCN) at the 1986 Conference on Conservation and Development in Ottawa"--Pref. | "First published in Great Britain in 1990 by Belhaven Press"--T.p. verso. 24 cm..
0816512639 (pbk) : | 0816512639 (pbk)

]]> Place hold on Ethics of environment and development :

]]> https://libcat.egst.edu.et//cgi-bin/koha/opac-detail.pl?biblionumber=4686 ISBN:1587360748 (pbk) https://libcat.egst.edu.et//cgi-bin/koha/opac-detail.pl?biblionumber=9107 ]]> By Barr,̌ Lloyd M..
Tucson, AZ : Fenestra Books, 2001 .
257 p. ; 24 cm..
1587360748 (pbk)

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