Program for Appropriate Technology in Health2007-11-132007-11-131986http://hdl.handle.net/10625/16400Text in Tagalog1 digital file (35 p. : chiefly ill.)application/pdftlPUMPSHAND TOOLSMAINTENANCE AND REPAIRPROJECT EVALUATIONGabay sa paggawa, pag-aayos at pangangalaga ng bomba ng tubig IDRC - UMHandpump manual (Asia)Manual