P. Kov, Sok, H., Roth, S., Chhoeun, K., et Hutton, G.,
« Economic impacts of sanitation in Cambodia : a five-country study conducted in Cambodia, Indonesia, Lao PDR, the Philippines and Vietnam under the Economics of Sanitation Initiative (ESI) ». Water and Sanitation Program - East Asia and the Pacific, WSP-EAP, Jakarta, Indonesia, p. 118 p. : boxes, fig., tab., 2008.