C. Sijbesma, Sari, K., Shatifan, N., Walujan, R., Mukherjee, I., and Hopkins, R.,
“Flores revisited : sustainability, hygiene and use of community-managed water supply and sanitation and the relationships with project approaches an..”. Water and Sanitation Program - East Asia and the Pacific, WSP-EAP, Jakarta, Indonesia, p. 54 p.; 16 tab.; 11 fig.; 17 boxes, 2002.
R. Walujan, Istandar, A., and Hopkins, R.,
“Sanitation in Wonosobo: two evaluation approaches compared”. Water and Sanitation Program - East Asia and the Pacific, WSP-EAP, Jakarta, Indonesia, p. 15 p. : 5 fig., 2 tab., 2002.