List of Articles Management and Leadership Open Access Article Abstract Page Full-Text 1 - Factor Identification and Analysis of Human Resource Productivity Indicators in Service Organizations with Emphasis on Management and Leadership Factor (Case Study: Ardebil Education Department Staff) mahmoud meshki bajlan sadraddin sattari tooran soleimani shahram daryani Open Access Article Abstract Page Full-Text 2 - 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 3 - 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