https://kohalibrary.pids.gov.ph//cgi-bin/koha/opac-search.pl?q=ccl=Provider%3APIDS%20and%20au%3A%20Philippine%20Institute%20for%20Development%20Studies.%20and%20su-to%3APhilippines.%20and%20au%3ABallesteros%2C%20Marife%20M.%20and%20au%3APhilippine%20Institute%20for%20Development%20Studies.&format=rss2 3 0 100 ISBN 9715640737 https://kohalibrary.pids.gov.ph//cgi-bin/koha/opac-detail.pl?biblionumber=8138 By Ballesteros, Marife M.. Makati City PIDS 2005 . vi, 60 pages : illustrations ; 23 cm. 9715640737

]]> https://kohalibrary.pids.gov.ph//cgi-bin/koha/opac-detail.pl?biblionumber=8138 ISBN 9715640435 https://kohalibrary.pids.gov.ph//cgi-bin/koha/opac-detail.pl?biblionumber=8167 By Ballesteros, Marife M.. Makati City PIDS 2002 . v, 74 pages : illustrations ; 23 cm. 9715640435

]]> https://kohalibrary.pids.gov.ph//cgi-bin/koha/opac-detail.pl?biblionumber=8167 ISBN 9715640273 https://kohalibrary.pids.gov.ph//cgi-bin/koha/opac-detail.pl?biblionumber=8175 By Ballesteros, Marife M.. Makati City PIDS 2002 . v, 40 pages ; 23 cm. 9715640273

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