Programme on exchange and transfer of information (POETRI)

Λεπτομέρειες βιβλιογραφικής εγγραφής
Συλλογικό Έργο:	International Reference Centre for Community Water Supply and Sanitation, Unesco. General Information Programme, Netherlands. Directoraat-Generaal Internationale Samenwerking
Μορφή:	Βιβλίο
Γλώσσα:	English
Έκδοση:	Rijswijk, Netherlands The Centre [1981-
Θέματα:	Water-supply > Developing countries > Information services > Handbooks, manuals, etc. Sanitation > Developing countries > Information services > Handbooks, manuals, etc.