C. J. Lovell, Nhunhama, G., Sunguro, S., y Mugweni, O.,
«An economic impact : productive waterpoints in dryland areas»,
Waterlines, an international journal of water, sanitation and waste, pp. p. 5-8 : 2 boxes, 1 fig., 2 photogr., 2 tab., 1998.
G. B. Institute Wallingford, Lovell, C. J., y Murata, M.,
«Garden irrigation : alternative techniques and technology diffusion in dry regions»,
Waterlines, an international journal of water, sanitation and waste, pp. p. 23-25 : 2 photogr., 1 tab., 1998.