nociones básicas Sapag Chain, Reinaldo creator author. text Electronic books. cl 2013 2012 monographic spa 1 online resource : illustrations. Reinaldo Sapag Chain. Economic development projects Evaluation Capital investments Evaluation Project management Evaluation HD75.9 ebook 338.900684 9789569197017 9569197013 https://login.zproxy.cun.edu.co/login?url=https://www.digitaliapublishing.com/a/30436/ https://login.zproxy.cun.edu.co/login?url=https://www.digitaliapublishing.com/a/30436/ DGITA 161028 DIGEDIGT024 eng