Biblio

E. Kvarnström, McConville, J., Bracken, P., Johansson, M., y Fogde, M., «The sanitation ladder : a need for a revamp?», vol. 1, n.º 1, pp. 3-12 : 1 box, 2 tab., 2011.

E. Kvarnström, McConville, J., Bracken, P., Johansson, M., y Fogde, M., «The sanitation ladder : a need for a revamp? : paper presented at the IWA Development Congress, November 15-19, 2009, Mexico City, Mexico». Stockholm Environment Institute (SEI), Stockholm, Sweden, p. 8 p. : 1 box, 2fig., 1 tab., 2009.