read chapter 7 from engineering and sustainable community development by lucena posted on the course website what aspects of the approach used by elena and cwi have enabled them to achieve sustainable community development 100 200 words

Read Chapter 7 from Engineering and Sustainable Community Development by Lucena (posted on the course website). What aspects of the approach used by Elena and CWI have enabled them to achieve sustainable community development? (100-200 words)

Here is the reading.