khara djihad. personal styles and their Relationship with types of leadership for hospital, directors (field study in Oum El Bouaghi and Constantine city). mjrs [Internet]. 2016 Dec. 31 [cited 2024 Nov. 22];2(2):241-58. Available from: https://jiamcs.centre-univ-mila.dz/index.php/mjrs/article/view/1232