James, Ben E.
USAID handpump program in Ecuador - Washington U.S. Agency for International Development 1984 - 90p. - WASH Field Report ;123 .
PUMPS
WELL PUMPS
WATER WELLS
621.65(04) / W3
USAID handpump program in Ecuador - Washington U.S. Agency for International Development 1984 - 90p. - WASH Field Report ;123 .
PUMPS
WELL PUMPS
WATER WELLS
621.65(04) / W3