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Title: Upgrading and retrofitting water and wastewater treatment plants
Author: \N
Call No: 628.162 UPG
Publisher: McGraw-Hill , New York , 2005 Detail

Title: A guide to the development of on-site sanitation
Author: Franceys, R.
Call No: 628.742 FRG
Publisher: WHO , Not Available , 1992 Detail

Title: Wastewater treatment and use in agriculture
Author: Pescod, M. B.
Call No: 631.587 WWT
Publisher: Food and Agriculture Organization of the United Nations, , Not Available , 1992 Detail