https://kohalibrary.pids.gov.ph//cgi-bin/koha/opac-search.pl?q=ccl=su%3A%22Ramos%2C%20Fidel%20Valdez%2C%201928-%20%22%20and%20su-to%3ARamos%2C%20Fidel%20Valdez%2C%201928-&format=rss2 4 0 100 ISBN https://kohalibrary.pids.gov.ph//cgi-bin/koha/opac-detail.pl?biblionumber=7899 Pasig City : National Economic and Development Authority, 1995 . 53p.

]]> https://kohalibrary.pids.gov.ph//cgi-bin/koha/opac-detail.pl?biblionumber=7899 ISBN https://kohalibrary.pids.gov.ph//cgi-bin/koha/opac-detail.pl?biblionumber=7900 Pasig City : National Economic and Development Authority, 1996 . 83p.

]]> https://kohalibrary.pids.gov.ph//cgi-bin/koha/opac-detail.pl?biblionumber=7900 ISBN https://kohalibrary.pids.gov.ph//cgi-bin/koha/opac-detail.pl?biblionumber=7901 Pasig City : National Economic and Development Authority, 1998 . 143p.

]]> https://kohalibrary.pids.gov.ph//cgi-bin/koha/opac-detail.pl?biblionumber=7901 ISBN https://kohalibrary.pids.gov.ph//cgi-bin/koha/opac-detail.pl?biblionumber=7902 Pasig City : National Economic and Development Authority, 1998 . 127p.

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