https://kohalibrary.pids.gov.ph//cgi-bin/koha/opac-search.pl?q=ccl=su%3A%22Sustainable%20agriculture.%22%20and%20au%3AGonsalves%2C%20Julian%20F.&format=rss2 2 0 100 ISBN 9781552501825 https://kohalibrary.pids.gov.ph//cgi-bin/koha/opac-detail.pl?biblionumber=7701 By Gonsalves, Julian F.. Laguna, Philippines : International Potato-Center Users' Perspectives With Agricultural Research and Development ; Ottawa, ON : International Development Research Centre, 2005. 9781552501825

]]> https://kohalibrary.pids.gov.ph//cgi-bin/koha/opac-detail.pl?biblionumber=7701 ISBN 9781552501832 https://kohalibrary.pids.gov.ph//cgi-bin/koha/opac-detail.pl?biblionumber=7702 By Gonsalves, Julian F.. Laguna, Philippines : International Potato-Center Users' Perspectives With Agricultural Research and Development ; Ottawa, ON : International Development Research Centre, 2005. 9781552501832

]]> https://kohalibrary.pids.gov.ph//cgi-bin/koha/opac-detail.pl?biblionumber=7702