Ong , P. T. (2004). Wastewater quality changes under anoxic conditions: A study on palm oil mill effluent (POME) addition in pressure sewer as external nitrate source.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रOng , Peck Ting. Wastewater Quality Changes Under Anoxic Conditions: A Study on Palm Oil Mill Effluent (POME) Addition in Pressure Sewer as External Nitrate Source. 2004.
एमएलए (9वां संस्करण) प्रशस्ति पत्रOng , Peck Ting. Wastewater Quality Changes Under Anoxic Conditions: A Study on Palm Oil Mill Effluent (POME) Addition in Pressure Sewer as External Nitrate Source. 2004.
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