Fortino Morales Gutiérrez, Mario. La industria de la construcción y la infraestructura 2005-2015.México: Instituto Politécnico Nacional, 2007. p 58http://site.ebrary.com/lib/biblioucaucasp/Doc?id=10431029&ppg=58Copyright © 2007. Instituto Politécnico Nacional. All rights Reserved.May not be reproduced in any form without permission from the publisher, except fair uses permitted under U.S. or applicable copyright law.
Fortino Morales Gutiérrez, Mario. La industria de la construcción y la infraestructura 2005-2015.México: Instituto Politécnico Nacional, 2007. p 59http://site.ebrary.com/lib/biblioucaucasp/Doc?id=10431029&ppg=59Copyright © 2007. Instituto Politécnico Nacional. All rights Reserved.May not be reproduced in any form without permission from the publisher, except fair uses permitted under U.S. or applicable copyright law.
Fortino Morales Gutiérrez, Mario. La industria de la construcción y la infraestructura 2005-2015.México: Instituto Politécnico Nacional, 2007. p 60http://site.ebrary.com/lib/biblioucaucasp/Doc?id=10431029&ppg=60Copyright © 2007. Instituto Politécnico Nacional. All rights Reserved.May not be reproduced in any form without permission from the publisher, except fair uses permitted under U.S. or applicable copyright law.
Fortino Morales Gutiérrez, Mario. La industria de la construcción y la infraestructura 2005-2015.México: Instituto Politécnico Nacional, 2007. p 61http://site.ebrary.com/lib/biblioucaucasp/Doc?id=10431029&ppg=61Copyright © 2007. Instituto Politécnico Nacional. All rights Reserved.May not be reproduced in any form without permission from the publisher, except fair uses permitted under U.S. or applicable copyright law.
Fortino Morales Gutiérrez, Mario. La industria de la construcción y la infraestructura 2005-2015.México: Instituto Politécnico Nacional, 2007. p 62http://site.ebrary.com/lib/biblioucaucasp/Doc?id=10431029&ppg=62Copyright © 2007. Instituto Politécnico Nacional. All rights Reserved.May not be reproduced in any form without permission from the publisher, except fair uses permitted under U.S. or applicable copyright law.
Fortino Morales Gutiérrez, Mario. La industria de la construcción y la infraestructura 2005-2015.México: Instituto Politécnico Nacional, 2007. p 63http://site.ebrary.com/lib/biblioucaucasp/Doc?id=10431029&ppg=63Copyright © 2007. Instituto Politécnico Nacional. All rights Reserved.May not be reproduced in any form without permission from the publisher, except fair uses permitted under U.S. or applicable copyright law.
Fortino Morales Gutiérrez, Mario. La industria de la construcción y la infraestructura 2005-2015.México: Instituto Politécnico Nacional, 2007. p 64http://site.ebrary.com/lib/biblioucaucasp/Doc?id=10431029&ppg=64Copyright © 2007. Instituto Politécnico Nacional. All rights Reserved.May not be reproduced in any form without permission from the publisher, except fair uses permitted under U.S. or applicable copyright law.
Fortino Morales Gutiérrez, Mario. La industria de la construcción y la infraestructura 2005-2015.México: Instituto Politécnico Nacional, 2007. p 65http://site.ebrary.com/lib/biblioucaucasp/Doc?id=10431029&ppg=65Copyright © 2007. Instituto Politécnico Nacional. All rights Reserved.May not be reproduced in any form without permission from the publisher, except fair uses permitted under U.S. or applicable copyright law.
Fortino Morales Gutiérrez, Mario. La industria de la construcción y la infraestructura 2005-2015.México: Instituto Politécnico Nacional, 2007. p 66http://site.ebrary.com/lib/biblioucaucasp/Doc?id=10431029&ppg=66Copyright © 2007. Instituto Politécnico Nacional. All rights Reserved.May not be reproduced in any form without permission from the publisher, except fair uses permitted under U.S. or applicable copyright law.
Fortino Morales Gutiérrez, Mario. La industria de la construcción y la infraestructura 2005-2015.México: Instituto Politécnico Nacional, 2007. p 67http://site.ebrary.com/lib/biblioucaucasp/Doc?id=10431029&ppg=67Copyright © 2007. Instituto Politécnico Nacional. All rights Reserved.May not be reproduced in any form without permission from the publisher, except fair uses permitted under U.S. or applicable copyright law.
Fortino Morales Gutiérrez, Mario. La industria de la construcción y la infraestructura 2005-2015.México: Instituto Politécnico Nacional, 2007. p 68http://site.ebrary.com/lib/biblioucaucasp/Doc?id=10431029&ppg=68Copyright © 2007. Instituto Politécnico Nacional. All rights Reserved.May not be reproduced in any form without permission from the publisher, except fair uses permitted under U.S. or applicable copyright law.
Fortino Morales Gutiérrez, Mario. La industria de la construcción y la infraestructura 2005-2015.México: Instituto Politécnico Nacional, 2007. p 69http://site.ebrary.com/lib/biblioucaucasp/Doc?id=10431029&ppg=69Copyright © 2007. Instituto Politécnico Nacional. All rights Reserved.May not be reproduced in any form without permission from the publisher, except fair uses permitted under U.S. or applicable copyright law.