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1. Surveillance of drinking water quality in rural areas /

by Lloyd, Barry; Helmer, Richard. -- World Health Organization; United Nations Environment Programme

Material type: book Book Publisher: Burnt Mill, Harlow, Essex, England : New York : Longman Scientific & Technical ; J. Wiley, 1991Availability: Items available for loan: Library Block A [628 JWI 1991 A039 Or.] (1).

2. Surveillance of drinking water quality in rural areas /

by Lloyd, Barry; Helmer, Richard. -- World Health Organization; United Nations Environment Programme

Material type: book Book Publisher: Burnt Mill, Harlow, Essex, England : New York : Longman Scientific & Technical ; J. Wiley, 1991Availability: Items available for loan: Library Block C [628 LST 1991 C146 Or.] (1).

3. Rural water supplies in Indonesia : a case study of effective and sustainable development from Tengipis, Bali /

by Gupta, Anil. -- University Consortium on the Environment

Material type: book Book Publisher: Waterloo, Ont. : University Consortium of the Environment, c1994Availability: Items available for loan: Library Block C [628 UNI 1994 C150 Or.] (1).

មជ្ឈមណ្ឌលឯការនៃសាកលវិទ្យាល័យភូមិន្ទកសិកម្មចំការដូង

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