Biblio

N. Herath, “Optimisation of local resources for hand-dug wells”, in Towards the millennium development goals - actions for water and environmental sanitation : proceedings of the 29th WEDC conference, Abuja, Nigeria, 2003, Loughborough, UK, 2003, pp. p. 196-199 : 4 photogr., 2 tabs.

N. Herath, Manual 1, Latrine Construction, Revised Edition. Nugegoda, Sri Lanka: NORAD, Norwegian Agency for Development Cooperation, 2001, p. 52 p. + 14 p. annexes : fig., tabs.

N. Herath, Manual 2, Hand-dug Wells, Revised edition. Nugegoda, Sri Lanka: NORAD, Norwegian Agency for Development Cooperation, 2001, p. 71 p. + 9 p. annexes : fig., photogr.

N. Herath, “Construction of wire - reinforced - cement mortar tanks”. Sri Lanka, Ministry of Housing, Construction & Public Utilities, CWSSP, Battaramulla, Sri Lanka, p. 19 p., 1995.