The ventilated improved double pit latrine a construction manual for Botswana

The ventilated improved double pit latrine a construction manual for Botswana

Bibliographic Details
Main Author: Van Nostrand, John Cornelius 1949-
Other Authors: Wilson, J. G.
Format: Book
Language:English
Published: Washington, D.C. The World Bank 1983.
Series:TAG technical note no. 3
Subjects:
Outhouses > Design and construction.
Toilets > Design and construction.
Sewage disposal.