%0 Journal Article %A Naiji, Nowruz, Jahanshahi, Fareba, Youawfi Saeedabadi, , Reza, Espahbadi, Kambiz %T The Relationship between Self-efficacy and Effectiveness of Principals from the Perspective of Principals and Teachers of Secondary and High Schools (Case Study of Chamestan Region) %J Curriculum Development and Educational Planning Research %V 9 %N 2 %P 75-84 %D 2019 %R %U https://sanad.iau.ir/fa/Article/1082103