Appropriate technology for water supply and sanitation a sanitation field manual
Kalbermatten, J.M. Julius, De A.S. Gunnerson, C.G.
Appropriate technology for water supply and sanitation a sanitation field manual - World BanK 1980 - iii,86 - Appropriate technology Water supply Saniitation technology Latrines Toilet superstructures Pit latrines Pour-flush toilets Septic tanks
P 0032
621.8KAL
Engineering & Technology
621.8 1
Appropriate technology for water supply and sanitation a sanitation field manual - World BanK 1980 - iii,86 - Appropriate technology Water supply Saniitation technology Latrines Toilet superstructures Pit latrines Pour-flush toilets Septic tanks
P 0032
621.8KAL
Engineering & Technology
621.8 1