STUDY OF WORKING CONDITIONS IN COPPER PRODUCTION FACTORIES AND DETERMINATION OF HARMFUL FACTORS OF PRODUCTION. International Bulletin of Medical Sciences and Clinical Research, [S. l.], v. 3, n. 11, p. 112–121, 2023. Disponível em: https://researchcitations.com/index.php/ibmscr/article/view/3128. Acesso em: 16 sep. 2025.