Harder, Fred L.
Efficient Government Institution for water quality control / Fred L. Harder .-- Washington : University Press of America , 1980
.--XII, 105 p. 20 cm.
Bibliografía
0819117226 (Case) ; 0819117234 (Perfect)
AGUA
CALIDAD
Efficient Government Institution for water quality control / Fred L. Harder .-- Washington : University Press of America , 1980
.--XII, 105 p. 20 cm.
Bibliografía
0819117226 (Case) ; 0819117234 (Perfect)
AGUA
CALIDAD