G. Norman y Parker, S.,
«Business models for delegated management of local water services : experience from Naivasha (Kenya)», vol. no. 2. Water and Sanitation for the Urban Poor, WSUP, London, UK, p. 13 p. : 2 boxes, 4 fig., 4 photogr., 1 tab., 2011.
F. Chirrute, Norman, G., Parker, S., y Water and Sanitaiton for the Urban Poor -London, GB, WSUP,
«Financing communal toilets : the Tchemulane project in Maputo», vol. 2. Water and Sanitation for the Urban Poor, WSUP, S.l., p. 2 p.; 3 tab.; 1 fig.; 1 photograph, 2011.
J. Ranaivo y Norman, G.,
«Using water kiosk revenues to cross-finance environmental hygiene : Tana’s RF2 model», vol. 1. Water and Sanitation for the Urban Poor, WSUP, S.l., p. 2 p.; 1 photograph; 4 boxes; 1 tab.; 1 fig., 2011.
G. Norman,
«When are communal or public toilets an appropriate option?», vol. 1. Water and Sanitation for the Urban Poor, WSUP, S.l., p. 18 p.; 22 refs.; 2 fig.; 1 tab.; 4 photographs, 2011.