Programme on exchange and transfer of information (POETRI)

Бібліографічні деталі
Співавтори:	International Reference Centre for Community Water Supply and Sanitation, Unesco. General Information Programme, Netherlands. Directoraat-Generaal Internationale Samenwerking
Формат:	Книга
Мова:	Англійська
Опубліковано:	Rijswijk, Netherlands The Centre [1981-
Предмети:	Water-supply > Developing countries > Information services > Handbooks, manuals, etc. Sanitation > Developing countries > Information services > Handbooks, manuals, etc.