Dharmalingam, S.

de S.Ariyabandu, R. & Dharmalingam, S., 1997. Harvesting rainwater : a means of water security to rural Sri Lanka, Colombo, Sri Lanka: Hector Kobbekaduwa Agrarian Research and Training Institute. Available at: https://fr.ircwash.org/sites/default/files/822-LKBA97-14222.pdf.