(2001). Microorganisms in activated sludge and biofilm processes: 3rd IWA International specialised conference (13-15 june 2001, Rome).
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रMicroorganisms in Activated Sludge and Biofilm Processes: 3rd IWA International Specialised Conference (13-15 June 2001, Rome). 2001.
एमएलए (9वां संस्करण) प्रशस्ति पत्रMicroorganisms in Activated Sludge and Biofilm Processes: 3rd IWA International Specialised Conference (13-15 June 2001, Rome). 2001.
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