Sánchez Trancón, D., Boulenouar, J., and Tillett, W., “A district level roadmap for universal access to sustainable sanitation services”. Agenda for Change: Aguaconsult, Helvetas, IRC, WaterAid and Water For People, Washington, DC, USA, p. 41 p. : 6 fig., 7 tab., 2021.

Tillett, W., Huston, A., and Davis, S., “Strengthening water, sanitation, and hygiene systems : concepts, examples, and experiences”. IRC and Agenda for Change, Washington, DC, USA, p. iii, 21 p. : 15 boxes, 8 fig., 1 tab., 2020.

Tillett, W., Bastola, P., and Gautam, S., “Kick-starting WASH systems in newly established local authorities : an experience from Nepal”, presented at the 02/2019, The Hague, the Netherlands, 2019, p. 9 p. : 4 fig., 1 tab.