ADEDEJI, A. J. Effect of quality management systems framework specifically ISO 9001, ISO 45001, ISO 14001 and ISO 31000 standards on operational performance: an investigation of Nigeria’s manufacturing sector. Brazilian Journal of Operations & Production Management, [S. l.], v. 22, n. 3, p. 2488 , 2025. DOI: 10.14488/BJOPM.2488.2025. Disponível em: https://bjopm.org.br/bjopm/article/view/2488. Acesso em: 30 oct. 2025.