Aguiba, M. M. (2006). Biological waste water treatment tech gains ground in local market. Manila Bulletin.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रAguiba, Melody M. "Biological Waste Water Treatment Tech Gains Ground in Local Market." Manila Bulletin 2006.
एमएलए (9वां संस्करण) प्रशस्ति पत्रAguiba, Melody M. "Biological Waste Water Treatment Tech Gains Ground in Local Market." Manila Bulletin, 2006.
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