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You Tube| Water, a sharred responsibility. CHAPTER 1: Living in a Changing World |
| Sitio Web (URL): http://www.unesco.org/water/wwap/wwdr2/pdf/wwdr2_ch_1.pdf |
| Water, a sharred responsibility. CHAPTER 1: Living in a Changing World |
| Sitio Web (URL): http://www.unesco.org/water/wwap/wwdr2/pdf/wwdr2_ch_1.pdf |
