A. Klutse, Bouraima, Z., y Amegnran, C.,
«Sanitation costs analysis in Burkina Faso : paper presented at the IRC symposium ‘ Pumps, Pipes and Promises: Costs, Finances and Accountability f..», presented at the 2010-11-01, The Hague, The Netherlands, 2010, p. 24 p. : 18 fig.; 9 tab.