Rural ventilated improved pit latrine a field manual for Botswana

Rural ventilated improved pit latrine a field manual for Botswana

Bibliographische Detailangaben
1. Verfasser: van Nostrand, John
Format: Buch
Sprache:English
Veröffentlicht: Washington, D.C. IBRD/World Bank c1983
Schriftenreihe:TAG technical note no.8
Schlagworte:
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