International Development Support Services -Carlton, VIC, AU, IDSS, LK, T. -, and Housing, Cand Public,
“The demand for water supply improvements : service levels, health benefits and cost contributions : report on systematic learning, February 1993 to September 1994”. Sri Lanka, Ministry of Housing, Construction & Public Utilities, CWSSP, Colombo, Sri Lanka, p. 23 p + 6 annexes (ca. 60 p.): fig., tab., 1994.