UUhunzi wa msingiUhunzi wa msingide David HarriesMateriasMetal-workAmateurs' manualsMachiningEdiciones (1)Uhunzi wa msingi (1997)Ndanda Mission Press · som · ISBN 9789976635010Más obras de David HarriesIInrerviewing skillsInrerviewing skillsPhotovoltaics for Rural Electrification in Developing CountriesBasic blacksmithing