The Differences of Respiratory Symptoms and Pulmonary Impairment between Exposure and Unexposured Areas by Dust from Semen Padang Factory. Jurnal Respirologi Indonesia, [S. l.], v. 38, n. 3, p. 173–176, 2018. DOI: 10.36497/jri.v38i3.7. Disponível em: https://jurnalrespirologi.org/index.php/jri/article/view/7. Acesso em: 30 jul. 2025.