SINDY SINTIA; IDE TRIA NITA BR GINTING; ANDRE FITRIANO. Pengaruh Disiplin, Komunikasi, dan Stres Kerja terhadap Kinerja Karyawan PT. Sumatera Speciality Coffees Berastagi. Khatulistiwa: Jurnal Pendidikan dan Sosial Humaniora, [S. l.], v. 5, n. 4, p. 597–608, 2025. DOI: 10.55606/khatulistiwa.v5i4.7820. Disponível em: https://researchhub.id/index.php/Khatulistiwa/article/view/7820. Acesso em: 5 oct. 2025.