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Biblio
Found 3 results
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Keyword
is
hand pumps
and
Author
is
Heijnen, H.A.
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1995
H. A. Heijnen
,
«
Innovation in water supply and environmental sanitation
»
,
Watsan : quarterly newsletter of the NGO Forum for Drinking Water Supply & Sanitation
, pp. p. 53-56 : 4 photogr., 1995.
1992
H. A. Heijnen
,
Davis, J.
,
Robertson, P.
, y
Wegelin-Schuringa, M. H. A.
,
«
Joint UNICEF / OXFAM evaluation rural water supply projects Cambodia
»
. IRC, The Hague, The Netherlands, p. vi, 87, 48 p.: fig., 1992.
H. A. Heijnen
,
«
Report concerning advisory mission RWS&S sector Pakistan, November 15-29, 1992
»
. IRC, The Hague, The Netherlands, p. 41 p.: fig., 1992.
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