by Center for Professional Development and Training, U.S. Dept. of Health and Human Services, Public Health Service, Centers for Disease Control in [Atlanta, Ga.?] .
Written in English
|Other titles||Waterborne disease control, homestudy course 3014-G.|
|Contributions||Centers for Disease Control (U.S.). Center for Professional Development & Training.|
|The Physical Object|
|Pagination||5 leaves ;|