S. N. Cousens, Kanki, B., Mertens, T., Diallo, I., Traore, E., Curtis, V., y Tall, F.,
«Potties, pits and pipes : explaining hygiene behaviour in Burkina Faso»,
Social science and medicine, pp. p. 383-393 : 4 fig., 1995.
A. Almedom y Curtis, V.,
«Studying hygiene behaviour - where are we now?»,
Waterlines, an international journal of water, sanitation and waste, pp. p. 2-5 : 3 photogr., 1 tab., 1995.