'Summer can also promote nature, environment'. IN Science & Environment
| Foilsithe in: | The Philippine Star Ja-D, Mon-Sat (2017). | 
|---|---|
| Príomhchruthaitheoir: | |
| Formáid: | Alt | 
| Teanga: | English | 
| Ábhair: | |
| Rochtain ar líne: | http://dspace.engglib2.upd.edu.ph/jspui | 
| Foilsithe in: | The Philippine Star Ja-D, Mon-Sat (2017). | 
|---|---|
| Príomhchruthaitheoir: | |
| Formáid: | Alt | 
| Teanga: | English | 
| Ábhair: | |
| Rochtain ar líne: | http://dspace.engglib2.upd.edu.ph/jspui |