M. Snehalatha, Venkataswamy, M., Sirisha, D., Anitha, V., y Busenna, P.,
«Looking beyond capital costs: life cycle costing for sustainable service delivery: a study from Andhra Pradesh, India»,
WASHCost India-CESS working papers, vol. 111 / 17. WASHCost team, Hyderabad, IN, Hyderabad, India, p. 22 p.; 5 fig.; 3 tab., 2012.
Unations wa secretariat,
«Sanitation drive to 2015 : planners’ guide». United Nations Intersecretariat Group for Water, S.l., p. 72 p.; ill.; photographs; boxes, 2012.