<![CDATA[ Search for 'su:"" Agricultural systems.""']]>

<![CDATA[ Search for 'su:"" Agricultural systems.""']]> https://kohalibrary.pids.gov.ph//cgi-bin/koha/opac-search.pl?q=ccl=su%3A%22%22%20%20Agricultural%20systems.%22%22&format=rss2 2 0 100 Basic elements of the farming systems approach to research and extension ISBN https://kohalibrary.pids.gov.ph//cgi-bin/koha/opac-detail.pl?biblionumber=8843 Quezon City : Bureau of Agricultural Research, 1990 . 104pp.

]]> https://kohalibrary.pids.gov.ph//cgi-bin/koha/opac-detail.pl?biblionumber=8843 Sustainable agricultural systems/ ISBN 9780935734218 https://kohalibrary.pids.gov.ph//cgi-bin/koha/opac-detail.pl?biblionumber=4126 By Edwards, C A.. Ankeny, Iowa : Soil and Water Conservation Society, 1990 . xvi, 696 pages : illustrations, maps ; 24 cm 9780935734218

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