<https://fr.coursera.org/learn/water-part-2#mooc>
<http://schema.org/Name>
"Water Supply and Sanitation Policy in Developing Countries Part 2: Developing Effective Interventions"
<https://fr.coursera.org/lecture/water-part-2/video-4-1-information-treatment-case-1-in-house-water-quality-testing-LUDcN>