P. K. Ram, Luby, S. P., Halder, A. K., Islam, M. S., y Granger, S.,
«Improving measures of handwashing behavior : global scaling up handwashing project». Water and Sanitation Program - East Asia and the Pacific, WSP-EAP, Jakarta, Indonesia, p. 47 p. : 1 box, 13 fig., 22 tab., 2010.
