The Worth of Water: Technical Briefs on Health, Water and Sanitation
by John Pickford
ISBN 13: 9781853390692
Format: Paperback (144 pages) Publisher: ITDG Publishing Published: 01 Jan 1991
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Low-cost Sanitation: A Survey of Practical Experience
ISBN 13: 9781853392337
Format: Paperback (176 pages) Publisher: ITDG Publishing Published: 01 Jan 1995
Reaching the Unreached: Challenges for the 21st Century
by etc., et al, John Pickford
ISBN 13: 9781853394126
Format: Paperback (192 pages) Publisher: ITDG Publishing Published: 01 Jan 1997