http://nile.enal.sci.eg/cgi-bin/koha/opac-search.pl?q=ccl=copydate%3A%22c1993.%22%20and%20su-to%3AAgricultural%20productivity&sort_by=relevance&format=rss 3 0 50 ISBN:9264139311 http://nile.enal.sci.eg/cgi-bin/koha/opac-detail.pl?biblionumber=55 ]]> By Brenner, Carliene..
Paris, France : Development Co-operation and Development , 1993 .
136 p. : 23 cm..
9264139311

]]> Place hold on Technology and developing country agriculture :

]]> http://nile.enal.sci.eg/cgi-bin/koha/opac-detail.pl?biblionumber=55 ISBN:0299136108 | 0299136140 (pbk.) http://nile.enal.sci.eg/cgi-bin/koha/opac-detail.pl?biblionumber=19914 ]]> Madison, Wis. : University of Wisconsin Press, 1993 .
xi, 418 p. : 24 cm..
0299136108 | 0299136140 (pbk.)

]]> Place hold on Land in African agrarian systems /

]]> http://nile.enal.sci.eg/cgi-bin/koha/opac-detail.pl?biblionumber=19914 ISBN:0821325094 http://nile.enal.sci.eg/cgi-bin/koha/opac-detail.pl?biblionumber=28972 ]]> By Carr, Stephen..
Washington, D.C. : The World Bank, 1993 .
xvi, 58 p. ; 28 cm..
0821325094

]]> Place hold on Improving cash crops in Africa :

]]> http://nile.enal.sci.eg/cgi-bin/koha/opac-detail.pl?biblionumber=28972