DALIMUNTHE, I. K.; CHONDRO, F. Concentration with Fitness Leads to More Work Productivity. Jurnal Biomedika dan Kesehatan, [S. l.], v. 5, n. 3, p. 171–181, 2022. DOI: 10.18051/JBiomedKes.2022.v5.171-181. Disponível em: https://jbiomedkes.org/index.php/jbk/article/view/272. Acesso em: 15 jun. 2024.