Changes

* Arjen van der Wal, [http://www.unicef.org/wash/files/04.pdf UNDERSTANDING GROUNDWATER & WELLS In Manual Drilling: INSTRUCTION HANDBOOK for manual drilling teams on hydro-geology for well drilling, well installation and well development]. Practica Foundation. Juin 2010 (seconde édition). Version française : [http://www.practica.org/wp-content/uploads/services/publications/drilling%20manuals/FR/Understanding%20Groundwater%20%26%20Wells%20PRACTICA%20FR%20June%202010.pdf CONNAISSANCES DES METHODES DE CAPTAGE DES EAUX SOUTERRAINES: appliquées aux forages manuels].

* [http://www.bgs.ac.uk/research/groundwater/international/africangroundwater/home.html Groundwater resilience to climate change in Africa.] Keyworth, Nottingham. British Geological Survey 2011.

* [http://www.iaea.org/technicalcooperation/documents/Brochures/sust-groundwater.pdf Sustainable Development of Groundwater Resources in Southern and Eastern Africa.] Agence internationale de l’énergie atomique (AIEA).

* [http://www.rural-water-supply.net/en/resources/details/187 Siting of Drilled Water Wells - A Guide for Project Managers] RWSN feuille d’inspection 2010-5 (Cost Effective Boreholes Series). Carter, R., Chilton, J., Danert, K. et al. RWSN. St Gall, Suisse 2010.