G. Hutton, Phyrum, K., Blackett, I., y Weitz, A.,
«The economic returns of sanitation interventions in Cambodia». Water and Sanitation Program, WSP, Washington, DC, USA, p. 6 p. : 1 box, 5 fig., 2011.
J. - W. Rosenboom, Jacks, C., Phyrum, K., Roberts, M., y Baker, T.,
«Sanitation marketing in Cambodia»,
Waterlines, an international journal of water, sanitation and waste, pp. p. 21-40 : 2 fig., ill., 2011.