List of Articles management and leadership) Open Access Article Abstract Page Full-Text 1 - The most important components of an effective model for secondary school principals in Lorestan province Mehrdad AliPanah Ebrahim Poorhoseini Hosein Mehrdad Open Access Article Abstract Page Full-Text 2 - Designing the Effectiveness Model of Education Managers in Lorestan Province (Case Study: Secondary School Managers) Mehrdad Alipanah ebrahem pourhosseni Hossein Mehrdad 10.30495/jedu.2021.24977.5155