Sagala, Yosua, and Arif Murti. “Pengaruh Self Leadership Dan Kematangan Emosi Terhadap Disiplin Kerja”. Jurnal Ilmiah Ecobuss 11, no. 2 (September 30, 2023): 101-109. Accessed December 27, 2024. https://ejournal.upm.ac.id/index.php/ecobuss/article/view/1577.