De Silva, G.H.M.J.S.Singhapura, S.D.K.G.Wasantha, P.L.2018-08-012018-08-012011Transactions - 2011 Volume I - PART B Technical Papers:p.94-101https://dl-iesl.nsf.gov.lk/handle/1/958Utilization of Waste Materials as Aggregates in the Manufacturing of Masonry BlocksArticle