M. Albrecht, Blackett, I., y Arianto, I.,
«Ecological sanitation : social factors impacting use of EcoSan in rural Indonesia». Water and Sanitation Program, WSP, Washington, DC, USA, p. 4 p. : 2 boxes, 3 fig., 2 photogr., 2010.
E. R. Djonoputro, Blackett, I., Rosenboom, J. - W., y Weitz, A.,
«Understanding sanitation options in challenging environments»,
Waterlines, an international journal of water, sanitation and waste, pp. p. 186-203 : 1 box,photogr., 2 tab., 2010.