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.

D. Adekile and Ball, P., “Training local technicians in borehole drilling”, Waterlines, an international journal of water, sanitation and waste, pp. p. 23-25 : 4 photogr., 2 tab., 2006.