Calleja, N. P. Plastic ban takes effect in Makati. Philippine daily inquirer.
Lua i Stíl Chicago (17ú heag.)Calleja, Niña P. "Plastic Ban Takes Effect in Makati." Philippine Daily Inquirer .
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Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.