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2018
Tetra Tech, « An examination of CLTS's contributions toward universal sanitation ». USAID Water, Sanitation, and Hygiene Partnerships and Sustainability (WASHPaLS) Project, Washington, DC, USA, p. vi, 77 p. : 7 fig., 2018.
Agarwal, R., Chennuri, S., Mihaly, A., et Tetra Tech, « Scaling market based sanitation : desk review on market-based rural sanitation development programs ». USAID Water, Sanitation, and Hygiene Partnerships and Learning for Sustainability (WASHPaLS) Project, Washington, DC, USA, p. xii, 111 p. : 9 boxes, 15 fig., 3 tab., 2018.