https://kohalibrary.pids.gov.ph//cgi-bin/koha/opac-search.pl?q=ccl=su%3A%22Natural%20resources%20--%20Management%22%20and%20au%3AGonsalves%2C%20Julian.&format=rss2 2 0 100 ISBN 9781552501818 https://kohalibrary.pids.gov.ph//cgi-bin/koha/opac-detail.pl?biblionumber=7700 By Gonsalves, Julian.. Laguna, Philippines : International Potato-Center Users' Perspectives With Agricultural Research and Development ; Ottawa, ON : International Development Research Centre, ©2005. 9781552501818

]]> https://kohalibrary.pids.gov.ph//cgi-bin/koha/opac-detail.pl?biblionumber=7700 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

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