https://kohalibrary.pids.gov.ph//cgi-bin/koha/opac-search.pl?q=ccl=su%3A%22Soil%20Conservation%22%20and%20su-to%3ASoil%20Conservation&format=rss2 16 0 100 ISBN https://kohalibrary.pids.gov.ph//cgi-bin/koha/opac-detail.pl?biblionumber=7029 By David, Wilfrido P. . . p.47-84

]]> https://kohalibrary.pids.gov.ph//cgi-bin/koha/opac-detail.pl?biblionumber=7029 ISBN https://kohalibrary.pids.gov.ph//cgi-bin/koha/opac-detail.pl?biblionumber=7030 By David, Wilfrido P. . . p.47-84

]]> https://kohalibrary.pids.gov.ph//cgi-bin/koha/opac-detail.pl?biblionumber=7030 ISBN https://kohalibrary.pids.gov.ph//cgi-bin/koha/opac-detail.pl?biblionumber=7251 By Saplaco, Severo R. . . p.73

]]> https://kohalibrary.pids.gov.ph//cgi-bin/koha/opac-detail.pl?biblionumber=7251 ISBN https://kohalibrary.pids.gov.ph//cgi-bin/koha/opac-detail.pl?biblionumber=7252 By Saplaco, Severo R. . . p.73

]]> https://kohalibrary.pids.gov.ph//cgi-bin/koha/opac-detail.pl?biblionumber=7252 ISBN https://kohalibrary.pids.gov.ph//cgi-bin/koha/opac-detail.pl?biblionumber=7313 By Rola, Agnes.. . p.55

]]> https://kohalibrary.pids.gov.ph//cgi-bin/koha/opac-detail.pl?biblionumber=7313 ISBN https://kohalibrary.pids.gov.ph//cgi-bin/koha/opac-detail.pl?biblionumber=7314 By Rola, Agnes.. . p.55

]]> https://kohalibrary.pids.gov.ph//cgi-bin/koha/opac-detail.pl?biblionumber=7314 ISBN https://kohalibrary.pids.gov.ph//cgi-bin/koha/opac-detail.pl?biblionumber=7319 By Shively, Gerald.. . p.101

]]> https://kohalibrary.pids.gov.ph//cgi-bin/koha/opac-detail.pl?biblionumber=7319 ISBN https://kohalibrary.pids.gov.ph//cgi-bin/koha/opac-detail.pl?biblionumber=7320 By Shively, Gerald.. . p.101

]]> https://kohalibrary.pids.gov.ph//cgi-bin/koha/opac-detail.pl?biblionumber=7320 ISBN 9781569734575 https://kohalibrary.pids.gov.ph//cgi-bin/koha/opac-detail.pl?biblionumber=8214 By Wood, Stanley; Sebastian, Katherine L. ; Scherr, Sara J. ; Batjes, N H.. Washington, D.C. : World Resources Institute, ©2000. 9781569734575

]]> https://kohalibrary.pids.gov.ph//cgi-bin/koha/opac-detail.pl?biblionumber=8214 ISBN 9780915825745 https://kohalibrary.pids.gov.ph//cgi-bin/koha/opac-detail.pl?biblionumber=8217 Washington, D.C. : World Resources Institute, 1992 , "Prepared by the Land Resources Unit, Agriculture Division, Asia Technical Department (ASTAG)"--Page 19. 9780915825745

]]> https://kohalibrary.pids.gov.ph//cgi-bin/koha/opac-detail.pl?biblionumber=8217 ISBN 9789718836002 https://kohalibrary.pids.gov.ph//cgi-bin/koha/opac-detail.pl?biblionumber=8222 Quezon City : Department of Environment and Natural Resources, Upland Development Program, 1991. 9789718836002

]]> https://kohalibrary.pids.gov.ph//cgi-bin/koha/opac-detail.pl?biblionumber=8222 ISBN https://kohalibrary.pids.gov.ph//cgi-bin/koha/opac-detail.pl?biblionumber=8853 By Garcia, J.N.M.; Gerrits, R.V.. Los Baños, Laguna : SEARCA-UQ Uplands Research Project, 1995 . 120p

]]> https://kohalibrary.pids.gov.ph//cgi-bin/koha/opac-detail.pl?biblionumber=8853 ISBN https://kohalibrary.pids.gov.ph//cgi-bin/koha/opac-detail.pl?biblionumber=8854 By Garcia, J.N.M.; Gerrits, R.V.; Cramb, R.A. . Los Banos, Philippines : SEARCA-UQ Uplands Research Project, 1995 . 110p

]]> https://kohalibrary.pids.gov.ph//cgi-bin/koha/opac-detail.pl?biblionumber=8854 ISBN https://kohalibrary.pids.gov.ph//cgi-bin/koha/opac-detail.pl?biblionumber=8855 By Garcia, J.N.M.; Gerrits, R.V.; Cramb, R.A. . Los Baños, Philippines : SEARCA-UQ Uplands Research Project, 1995 . 149p

]]> https://kohalibrary.pids.gov.ph//cgi-bin/koha/opac-detail.pl?biblionumber=8855 ISBN https://kohalibrary.pids.gov.ph//cgi-bin/koha/opac-detail.pl?biblionumber=8856 By Garcia, J.N.M.; Gerrits, R.V.; Cramb, R.A. . Los Baños, Philippines : SEARCA-UQ Uplands Research Project, 1995 . 128p

]]> https://kohalibrary.pids.gov.ph//cgi-bin/koha/opac-detail.pl?biblionumber=8856 ISBN 9712004856 https://kohalibrary.pids.gov.ph//cgi-bin/koha/opac-detail.pl?biblionumber=8911 Laguna : PhilippineCouncil for Agriculture Forestry and Natural Resources Research and Development, 2001 . 98p 9712004856

]]> https://kohalibrary.pids.gov.ph//cgi-bin/koha/opac-detail.pl?biblionumber=8911