Mjengera, H.

Mjengera, H., 1988. Excess fluoride in potable water in Tanzania and the defluoridation technology with emphasis on the use of polyaluminium chloride and magnesite, (Publication series A / Tampere University of Technology no. 38) Tampere, Finland: Tampere University of Technology, Institute of Water and Environmental Engineeri. Available at: https://es.ircwash.org/sites/default/files/257-4796.pdf.