https://kohalibrary.pids.gov.ph//cgi-bin/koha/opac-search.pl?q=ccl=su%3A%22Environmental%20management%22%20and%20su-to%3AEffective%20protection%20rates%20%20EPR%20and%20su-to%3APhilippine%20industrial%20policy%20and%20su-to%3AEnvironmental%20management%20and%20su-to%3AInternational%20Trade%20in%20Timber%20Agreement%20%20ITTA&format=rss2 4 0 100 ISBN https://kohalibrary.pids.gov.ph//cgi-bin/koha/opac-detail.pl?biblionumber=7299 By Medalla, Erlinda M. . . p.167

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