G. B. WaterAid - London,
The Advocacy Source Book. London, UK: WaterAid, 2007, p. 118 p. : fig., tab.
M. O’Connell, Burrows, G., y Plumb, L.,
«The advocacy sourcebook». WaterAid, London, UK, p. 115 p. : fig., tab., 2007.
POUZN Project -Bethesda, MD, US,
«Best practices in social marketing safe water solution for household water treatment : lessons learned from Population Services International field programs», vol. no. 2. The Social Marketing Plus for Diarrheal Disease Control: Point-of-Use Water Disinfection and Zinc Treatment (POUZN) Project, Abt Associates, Bethesda, MD, USA, p. 65 p. : boxes, fig., photogr., tab., 2007.
D. Lapid,
«Introducing ecosan in the Philippines»,
Waterlines, an international journal of water, sanitation and waste, pp. p. 15-17 : 1 box, 1 fig., 4 photogr., 2007.