GINTING, K. G.; KHAMO, K. W.; YUNITA, M. Pengaruh Pengawasan dan Palaksanaan Standar Operasional Terhadap Kualitas Kerja Karyawan PT Nutri Inti Prima Perkasa Medan. Journal of Indonesian Scholars for Social Research, [S. l.], v. 2, n. 2, p. 107–119, 2022. DOI: 10.59065/jissr.v2i2.29. Disponível em: https://ojs.ycit.or.id/index.php/JISSR/article/view/29. Acesso em: 20 apr. 2025.