New style of going green. IN The Good News. The Philippine Star.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र"New Style of Going Green. IN The Good News." The Philippine Star .
एमएलए (9वां संस्करण) प्रशस्ति पत्र"New Style of Going Green. IN The Good News." The Philippine Star, .
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