Assessing the Adoption and Impact of Industry 4.0 Technologies in Oil and Gas EPC Companies: a Survey-Based Study on Operational Efficiency and Cost Management. International Journal of Finance and Business Management (IJFBM), [S. l.], v. 1, n. 1, p. 57–68, 2024. DOI: 10.59890/nja2dk72. Disponível em: https://penerbitjurnalinternasional.com/index.php/ijfbm/article/view/43.. Acesso em: 17 jul. 2025.