SUSTAINABLE AND COST EFFECTIVE HOUSING
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 | Green Houses from Materials on Vegetable Base | 
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 | Precast Stone-Blocks as Low Cost Load-Bearing Walls | 
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 | Carbon Neutral Soil-Cement Fly Ash Blocks for Sustainable and Cost Effective Housing | 
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 | Ferro Cement Twin-Cantilever Shell Tiles as Low Cost Roof | 
