Clean water: good health [Pashtu] / Kaniz Butt./Cleanliness and good health [Pashtu]
Butt, Kaniz
Peshawar, 1981, r1989.
27 p. : ill.
Water - Hygienic aspects
Waterborne infections
HEA
Waterborne infections
HEA
B 6.512 BUT -347
D347