<![CDATA[ Search for 'su:"Environmental management" and su-to:Effective protection rates EPR and au:Medalla, Erlinda M. and se:Vol. 28 No. 2 Second Sem 2001']]> 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%20au%3AMedalla%2C%20Erlinda%20M.%20and%20se%3AVol.%2028%20No.%202%20Second%20Sem%202001&format=rss2 4 0 100