Water treatment and sanitation
by H. T. Mann, H.T. Mann, D. Williamson
Handbooks, manualsPublic healthPurificationRural healthSewageWaterSanitary & municipal engineeringTechnology & Industrial Arts
A handbook of simple methods for rural areas in developing countries. This corrected and revised impression includes an appendix on planning in developing towns.
Writing a summary for young readers…
For young readers
Book data: Open Library