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Allison, E.J.

Wilson, S.E. & Allison, E.J., 1986. Training trainers in developing countries : health education and mass media aspects of low cost sanitation. , p.p. 311-314. Available at: http://fr.ircwash.org/sites/default/files/304-7387.pdf.

Publié le: 01/01/1970

Human excreta disposal remains a significant public health problem for developing countries.

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