Suparman, Erni, Zetta, Hobes, Ernanda Y. The Influence of Leadership Style, Motivation, and Work Discipline on Employee Performance PT. Perkebunan IV Kebun Adolina Nusantara Perbaungan. Mantik [Internet]. 2021Jun.1 [cited 2026Jul.17];5(2):526-35. Available from: https://www.iocscience.org/ejournal/index.php/mantik/article/view/1361