Programme on exchange and transfer of information (POETRI)

التفاصيل البيبلوغرافية
مؤلفون مشاركون:	International Reference Centre for Community Water Supply and Sanitation, Unesco. General Information Programme, Netherlands. Directoraat-Generaal Internationale Samenwerking
التنسيق:	كتاب
اللغة:	English
منشور في:	Rijswijk, Netherlands The Centre [1981-
الموضوعات:	Water-supply > Developing countries > Information services > Handbooks, manuals, etc. Sanitation > Developing countries > Information services > Handbooks, manuals, etc.