Rugumyamheto, Joseph To serve and preserve / motto for the effective permanent secretary in changing world of public service Joseph, Rugumyamheto - Nairobi : African association for public administration and management 2007, c 2007. - 15p. : 20 cm. ISBN: NA NA Subjects--Topical Terms: Serve and preserve--KenyaPermanent secretary Dewey Class. No.: 352.63 RUG