|
|
|
|
|
John Friesen, Lea Rausch, Peter F. Pelz and Johannes Fürnkranz
Currently, more than half of the world?s population lives in cities. Out of these more than four billion people, almost one quarter live in slums or informal settlements. In order to improve living conditions and provide possible solutions for the major ...
ver más
|
|
|
|
|