FIKRIANSYAH, Muhammad; AL GHAZALI, Al Ghazali. Pengaruh Standar Operasional Prosedur dan Disiplin Kerja Terhadap Efektivitas Kerja Karyawan PT Berkat Jaya Mayandra. Jejak digital: Jurnal Ilmiah Multidisiplin, [S. l.], v. 2, n. 5, p. 10755–10766, 2026. DOI: 10.63822/2bf0dr81. Disponível em: https://indojurnal.com/index.php/jejakdigital/article/view/4978. Acesso em: 18 sep. 2026.