Yoserizal Y. The Effect Of Principal’s Transformational Leadership and Ethical Behavior On Teacher’s Performance at Lab School Senior High School DKI Jakarta. JDMP [Internet]. 2019 Oct. 1 [cited 2025 Jul. 10];3(2):89-95. Available from: https://journal.unesa.ac.id/index.php/jdmp/article/view/4628