HARRAS, H. .; WILANDARI, D. F. .; SULISTIANI, S. . PENGARUH KEPEMIMPINAN DAN DISIPLIN KERJA TERHADAP PRODUKTIVITAS KERJA KARYAWAN PADA PT. J&T TEKNOLOGI EXPRESS – SDP PONDOK AREN. SCIENTIFIC JOURNAL OF REFLECTION : Economic, Accounting, Management and Business, [S. l.], v. 6, n. 2, p. 390-398, 2023. DOI: 10.37481/sjr.v6i2.662. Disponível em: https://ojspustek.org/index.php/SJR/article/view/662. Acesso em: 7 oct. 2026.