Rogers, M.2007-11-131999-03-292007-11-131984http://hdl.handle.net/10625/23175Spanish version available in IDRC Digital Library: Tecnologia apropiada : Bombas manuales en Sri Lankap. 9-10enPUMPSWATER SUPPLYHAND TOOLSNEW TECHNOLOGYWOMENSRI LANKAJournal Article