ATS-TSAURI, Muhammad Ibrahim; WILARNUGROHO, Bagus; PURBA, Humiras Hardi. A conceptual model for energy management in the steel industry: A Soft System Methodology (SSM) approach. SINERGI, Jakarta, Indonesia, v. 26, n. 3, p. 319–326, 2022. DOI: 10.22441/sinergi.2022.3.007. Disponível em: https://training-ojs3-publikasi.mercubuana.ac.id/index.php/sinergi/article/view/14082. Acesso em: 28 may. 2026.