Kaltenthaler, E.

Kaltenthaler, E., Chawira, F. & Waterman, R., 1988. Traditional handwashing in Zimbabwe and the use of the mukombe : microbiological and behavioural aspects, Harare, Zimbabwe: Blair Research Laboratory. Available at: https://es.ircwash.org/sites/default/files/203.1-88TR-7587.pdf.