Whitley, L., Hutchings, P., Cooper, S., Parker, A., kebede, A., Joseph, S., Butterworth, J., Van Koppen, B., and Mulejaa, A., “A framework for targeting water, sanitation and hygiene interventions in pastoralist populations in the Afar region of Ethiopia”, vol. 222, no. 8, pp. 1133-1144 : 2 fig., 2 tab., 2019.

Blomberg, P., “Tackling integrity risks in government contracts : an opportunity to unlock resources for sustainable development in Asia and the Pacific : guidebook”. p. ix, 89 p. : 18 boxes, 10 fig., 3 tab., 2017.

Gao, L., Connor, J. D., and Dillon, P., “The Economics of Groundwater Replenishment for Reliable Urban Water Supply”, no. Special Issue Policy and Economics of Managed Aquifer Recharge and Water Banking, pp. p. 1662-1670, 2014.