Simeon, L. M. Manila Water, SG firms collaborate on water technology. The Philippine Star.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSimeon, Louise Maureen. "Manila Water, SG Firms Collaborate on Water Technology." The Philippine Star .
एमएलए (9वां संस्करण) प्रशस्ति पत्रSimeon, Louise Maureen. "Manila Water, SG Firms Collaborate on Water Technology." The Philippine Star, .
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