Aguwa, Emmanuel Iheanyichukwu2012-03-192012-03-192012-03-19https://hdl.handle.net/2139/12330enPrincipalsProfessional trainingSchool administrationSchool administrationCase studiesHuman resources developmentSecondary schoolsNigeriaAn investigation of the professional development/training of secondary school principals in Mbaise Educational District, Imo State - NigeriaOther