LUBIS, Ikwan; SIHITE, A.M Hatuaon; SIANTURI, Maringan; LUBIS , Nurin Natiqoh. The Effect of Standard Operating Procedures (SOPs), Supervision, and Information Technology on Employee Performance at JNE Outbound Unit Medan Main Branch . Journal of Economics, Management and Accounting (JEMA) , [S. l.], v. 1, n. 01, p. 1–7, 2024. Disponível em: https://jurnal.devitara.or.id/index.php/ekonomi/article/view/53.. Acesso em: 16 sep. 2025.