https://kohalibrary.pids.gov.ph//cgi-bin/koha/opac-search.pl?q=ccl=au%3A%22Langford%2C%20John%20W.&format=rss2 3 0 20 ISBN 886451043 https://kohalibrary.pids.gov.ph//cgi-bin/koha/opac-detail.pl?biblionumber=7717 By Brownsey, K.L.. Canada : International for Research on Public Policy, 1990 . 341p. 886451043

]]> https://kohalibrary.pids.gov.ph//cgi-bin/koha/opac-detail.pl?biblionumber=7717 ISBN 0886450608 https://kohalibrary.pids.gov.ph//cgi-bin/koha/opac-detail.pl?biblionumber=8554 By Langford, John W.; Brownsey, K.L.. Canada : Institute for Research on Public Policy, 1988 . 325pp. 0886450608

]]> https://kohalibrary.pids.gov.ph//cgi-bin/koha/opac-detail.pl?biblionumber=8554 ISBN 0886451272 https://kohalibrary.pids.gov.ph//cgi-bin/koha/opac-detail.pl?biblionumber=8609 By Langford, John W.; Brownsey, K.L. Canada : Institute for Research on Public Policy, 1991 . 213pp. 0886451272

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