Rural ventilated improved pit latrine a field manual for Botswana

Détails bibliographiques
Auteur principal:	van Nostrand, John
Format:	Livre
Langue:	anglais
Publié:	Washington, D.C. IBRD/World Bank c1983
Collection:	TAG technical note no.8
Sujets:	Privies > Botswana > Design and construction > Handbooks, manuals, etc.