00539nam a22001217a 4500008004100000082001500041110007000056245005900126260008100185300002300266440005700289650007100346150615b        xxu||||| |||| 00| 0 eng d  a627.70028820aMalawi. Ministry of Agriculture, Irrigation and Water Development10aBorehole rehabilitation handbook for extension workers  aLilongwe :bMinistry of Agriculture, Irrigation and Water Developmentc2015.  avii, 25 p. :bill.20aRural Water Supply Operation and Maintenance vNo. 7  aHydraulic engineering bMaintenance and repaireRural water supply