00372nam a2200133 450000500170000000800040001704000090002105000220003024500550005225000170010726000530012430000240017765000370020120150622112416.0000 aUOEL aLB2801b.E38 1979 aA Manual for Heads of Secondary Schools in Kenya : aRevised ed. aNairobi, Kenya bMinistry of Education ,cc1979. avi, 91 p. :bill. ; aTheory and practice of education