STRATEGI BISNIS SEBAGAI UPAYA PENINGKATAN KINERJA KARYAWAN DI PT POS INDONESIA (PERSERO) CABANG DUMAI. JOURNAL OF SCIENCE AND SOCIAL RESEARCH, [S. l.], v. 8, n. 3, p. 3974–3977, 2025. DOI: 10.54314/jssr.v8i3.4119. Disponível em: https://jurnal.goretanpena.com/index.php/JSSR/article/view/4119.. Acesso em: 28 apr. 2026.