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G. Hutton, Phyrum, K., Blackett, I., en Weitz, A.,
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G. Hutton, Winara, A., Blackett, I., en Weitz, A.,
“The economic returns of sanitation interventions in Indonesia”. Water and Sanitation Program, WSP, Washington, DC, USA, p. 6 p. : 1 box, 5 fig., 2011.
G. Hutton, Galing, E., Rodriguez, U. - P., en Weitz, A.,
“The economic returns of sanitation interventions in the Philippines”. Water and Sanitation Program, WSP, Washington, DC, USA, p. 6 p. : 5 fig., 11 tab., 2011.
N. Viet Anh, Hutton, G., en Weitz, A.,
“The economic returns of sanitation interventions in Vietnam”. Water and Sanitation Program, WSP, Washington, DC, USA, p. 6 p. : 1 box, 5 fig., 2011.
L. Nycander, Cross, P., en Damhaug, T.,
Gender mainstreaming impact study, vol. no. 4. Nairobi, Kenya: UN-Habitat, United Nations Centre for Human Settlements, 2011, p. xvii, 75 p. : 5 tab.
L. Nycander, Cross, P., en Damhaug, T.,
Kenya country impact study, vol. no. 2. Nairobi, Kenya: UN-Habitat, United Nations Centre for Human Settlements, 2011, p. xiii, 44 p.; 2 tab.; 11 fig.
C. Sijbesma, Sikoki, B., Suriastini, W., en Ponsonby, M.,
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