Found 3 results
Filters: Keyword is infiltration ditches [Clear All Filters]
«Design and construction manual for water supply and sanitary facilities in primary schools». UNICEF, Addis Ababa, Ethiopia, p. vii, 111 p., boxes, fig, tab., techn. drwngs, 2012.
, «Artificial groundwater recharge for water supply of medium-size communities in developing countries», vol. no. 9. The Hague, The Netherlands, p. 41 p.: fig., tab., 1986.
, «Water sources and their protection : a guide to community water source protection and designs for a spring protection and well digging programme». Oxfam, S.l., p. 83 p.: ills., fig., 1985.
,