MUKHAMAD ALI SAFII; SHASHA BEDYS FAZHIERA. Dampak Pelatihan dan Etos Kerja terhadap Produktivitas Karyawan di PT XYZ. OPTIMAL Jurnal Ekonomi dan Manajemen, [S. l.], v. 1, n. 1, p. 41–45, 2021. DOI: 10.55606/optimal.v1i1.4143. Disponível em: https://researchhub.id/index.php/optimal/article/view/4143. Acesso em: 11 may. 2025.