Potter, A., Klutse, A., Snehalata, M., Batchelor, C., Uandela, A., Naafs, A., Fonseca, C., Moriarty, P.B., y IRC, «Avaliando os níveis dos serviços de saneamento», vol. No 3. IRC, The Hague, The Netherlands, p. 27 p.; 17 fig., 2012.

Potter, A., Klutse, A., Snehalata, M., Batchelor, C., Uandela, A., Naafs, A., Fonseca, C., Moriarty, P.B., y IRC, «L’évaluation des niveaux de service d’assainissement», vol. No 3. IRC, The Hague, The Netherlands, p. 27 p.; 17 fig.; 1 box, 2012.

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