E. Perez, Cardosi, J., Coombes, Y., Devine, J., Grossman, A., Kullmann, C., Kumar, C. A., Mukherjee, N., Prakash, M., Robiarto, A., Setiawan, D., Singh, U., and Wartono, D.,
“What does it take to scale up rural sanitation?”. Water and Sanitation Program, WSP, S.l., p. vii, 47 p.; 9 fig.; 6 tab.; 2 ill.; 2 boxes, 2012.