Perera, S.A.S.2019-02-132019-02-132007Transactions - 2007 Volume I - PART B Technical Papers:p.129-139https://dl-iesl.nsf.gov.lk/handle/1/1088Delta-D Technology, a Technically, Economically and Environmentally Feasible Solution to the Urban Solid Waste(USW) Problem and the Fertiliser Problem in Sri LankaArticle