Guidelines for drinking water qualities: drinking- water quality control in small-community supplies
World Health Organization
Guidelines for drinking water qualities: drinking- water quality control in small-community supplies - - Geneva World Health Organisation 1985 - viii, 121p.
92-4-154170-9
water quality Bacteriological analysis Community education and involvement
628.16
Guidelines for drinking water qualities: drinking- water quality control in small-community supplies - - Geneva World Health Organisation 1985 - viii, 121p.
92-4-154170-9
water quality Bacteriological analysis Community education and involvement
628.16