National decade plans : eight questions they answer.

Bibliographic Details
Format: Book
Language:English
Published: Geneva : World Health Organization, 1982.
Subjects:
Description
Item Description:Άνω του τίτλου: International Drinking Water Supply and Sanitation Decade.
Physical Description:18 σ. ; 24 εκ.
Bibliography:Βιβλιογραφία: σ. 17-18.
ISBN:9241560762