Heavy reliance on high-cost conventional sewers has produced inadequate sanitation service coverage in many urban areas. In the recent past, low-cost, on-site systems have been gaining increased acceptance...
Типу документа: Рабочие документы
Номер отчета: 18780
Дата подготовки документа: 31 мая 1994 года
Тип раскрытия информации: Disclosed
Автор: Bakalian,Alexandre Edouard,Netto, Jose de Azevedo,Otis, Richard,Wright,Albert M.