The ventilated improved double-pit latrine
Subtitle: a construction manual for Botswana
By: John van Nostrand and James G. Wilson.
Contributors: Wilson, James G.
Series: TAG technical note -- no. 3
Publisher: International Bank for Reconstruction and Development/The World Bank
Published: 1983
Place of publication: Washington, D.C
Language: eng
Number of pages: 47
Subjects: Privies -- Design and construction; Sanitary engineering -- Botswana
Notes: "A joint contribution of the Government of Botswana, the United Nations Development Programme and the World Bank to the International Drinking Water Supply and Sanitation Decade."