RIDHANI, A. . Occupational health services as an effort to increase the health of workers at PT Petrokimia Gresik during the covid-19 pandemic. Nautical : Jurnal Ilmiah Multidisiplin Indonesia, [S. l.], v. 1, n. 9, p. 899–905, 2022. DOI: 10.55904/nautical.v1i9.490. Disponível em: https://jurnal.arkainstitute.co.id/index.php/nautical/article/view/490. Acesso em: 6 jul. 2024.