Biblio

K. Danert, Armstrong, T., Adekile, D., Duffau, B., Ouedraogo, I., and Kwei, C., “Code of practice for cost effective boreholes”. Rural Water Supply Network, RWSN, St. Gallen, Switzerland, p. 36 p.; fig.; tab.; photographs, 2010.

T. Armstrong and Thapa, H., “Step-wise approach to rural schemes”, in Reaching the unreached : challenges for the 21st century : proceedings of the 22nd WEDC conference, New Delhi, India, 9-13 September 1996, 1996, pp. P. 21-23 : 1 tab.