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 Jun. 19];7(2). Available from: https://jurnalalkhairat.org/ojs/index.php/jkpi/article/view/1641