Horizontal co-operation in support of the International Drinking Water Supply and Sanitation Decade : note / by the secretariat.
1981
详细记录
符号E/CEPAL/L.241
标题Horizontal co-operation in support of the International Drinking Water Supply and Sanitation Decade : note / by the secretariat.
日期Santiago : UN, 6 Feb. 1981.
描述
[8] p.