Institute of Engineering and Rural TechnologyKapoor, P.N.2007-11-121992-04-012007-11-121989http://hdl.handle.net/10625/10120Indian version available in IDRC Digital Library as mono. series no. 1Text1 digital file (8 p. : ill.)Application/pdfenWASTE RECYCLINGCEMENTBAGSBUILDING DESIGNROOFSCONSTRUCTION MATERIALSAPPROPRIATE TECHNOLOGYWorking Paper