From handpumps to health : the evolution of water and sanitation programmes in Bangladesh, India and Nigeria
text
x
United Nations Children's Fund, New York
1990
monographic
e
p.
Maggie Black 133 p. : ill. (some col.) ; 26 cm. a-bg--- a-ii--- f-nr--- AIY/MR
Sanitary engineering-
Nigeria
Sanitary engineering-
Bangladesh
Sanitary engineering-
India
Water-supply-
Nigeria
Water-supply-
Bangladesh
Water-supply-
India
TD304.65.A1
9280600516
20251012174548.0
0000016857