Apriani Y, Siregar ZME, Nasution SL. The Influence of Transformational Leadership, Work Motivation and Work Discipline on Employee Performance at PT. SMA Aek Nabara . daengku j. hum. soc. sci. innov. [Internet]. 2023 Mar. 11 [cited 2026 May 24];3(3):413-21. Available from: https://qemsjournal.org/index.php/daengku/article/view/1614