| Type | Journal Article |
| Title | Energy, complexity and strategies of evolution |
| Author(s) | |
| Publication (Day/Month/Year) | 2009 |
| URL | http://www.scielo.org.ar/scielo.php?pid=S1851-16942009000100001&script=sci_arttext&tlng=es |
| » | Guatemala - Encuesta Nacional sobre Condiciones de Vida 2000 |