New systems to monitor quakes, tsunamis launched. The Philippine Star.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र"New Systems to Monitor Quakes, Tsunamis Launched." The Philippine Star .
एमएलए (9वां संस्करण) प्रशस्ति पत्र"New Systems to Monitor Quakes, Tsunamis Launched." The Philippine Star, .
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