Catelo, A.O.Dorado, M.A.Agbisit, Elpidio2007-11-132007-11-132001-040-88936-957-7http://hdl.handle.net/10625/30957application/pdfenANIMAL PRODUCTIONSWINEANIMAL WASTESENVIRONMENTAL EFFECTSPOLLUTION CONTROLPHILIPPINESWASTEWATERWATER POLLUTIONHEALTH HAZARDSWASTE MANAGEMENTAPPROPRIATE TECHNOLOGYFEASIBILITY STUDIESBackyard and commercial piggeries in the Philippines : environmental consequences and pollution control optionsIDRC Book