Imani NP, Karoma K, Karolina A. THE EFFECT OF TEACHER COMPETENCY DEVELOPMENT MANAGEMENT AND WORK ATTITUDE ON TEACHER PERFORMANCE AT PUBLIC JUNIOR HIGH SCHOOLS IN THE PENUKAL UTARA DISTRICT. jkpi [Internet]. 2026 Apr. 27 [cited 2026 Apr. 28];7(2). Available from: http://jurnalalkhairat.org/ojs/index.php/jkpi/article/view/1641