Biblio

J. E. Gould, «Catching up - upgrading Botswana's rainwater catchment systems», Waterlines, an international journal of water, sanitation and waste, pp. p. 13, 19-20 : 2 fig., 1 map, 2 photogr., 1997.

J. E. Gould y Naidu, K. G., «Rainwater catchment systems application and technology workshop proceedings : 1st - 3rd March 1993». Botswana Technology Centre, Gaborone, Botswana, p. 129 p. : fig., 1993.

J. E. Gould, Rainwater catchment systems for household water supply, vol. no. 32. Bangkok, Thailand: Environmental Sanitation Information Center, ENSIC, 1991, p. iii, 57 p.: 12 fig., 14 photogr., 4 tab.

J. E. Gould, «Rainwater catchment systems provides alternative water supply», Water and wastewater international, pp. p. 15-19 : photogr., 1990.

J. E. Gould, «An assessment of rainwater catchment systems in Botswana». University of Alberta, Edmonton, Alta, Canada, p. xvi, 222 p.: fig., tab., photogr., 1985.