Davao Oriental takes steps to tap seawater as source of fresh water. IN Mindanao News
| Foilsithe in: | Manila Bulletin Jan-Dec, Mon-Sat (2018). |
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| Príomhchruthaitheoir: | |
| Formáid: | Alt |
| Teanga: | English |
| Ábhair: | |
| Rochtain ar líne: | http://dspace.engglib2.upd.edu.ph/jspui |