J. Sy,
« An analysis of 35 water districts : prospects and pitfalls in integrated water services in the Philippines ». Water and Sanitation Program - East Asia and the Pacific, WSP-EAP, Jakarta, Indonesia, p. 7 p. : 5 fig., 7 tab., 2009.
A. R. Fernandois,
Fomento de la eficiencia de las empresas estatales de agua potable y saneamiento, vol. no. 141. Santiago, Chile: United Nations Economic Commission for Latin America and the Caribbean (ECLAC), 2009, p. 74 p. : 15 boxes, 5 fig., 2 tab.
K. Danert,
« Realizing the potential of hand-drilled wells for rural water supplies »,
Waterlines, an international journal of water, sanitation and waste, p. p. 108-129 : 1 box, 12 fig., 1 tab. , 2009.