IRWAN. The Impact of Performance Improvement on Productivity. Jurnal Manajemen Bisnis, [S. l.], v. 10, n. 2, p. 733–746, 2023. DOI: 10.33096/jmb.v10i2.652. Disponível em: https://jurnal.fe.umi.ac.id/index.php/JMB/article/view/652. Acesso em: 22 may. 2025.