Alcalá Abraham, V. A., E. D. Alemán Causil, V. Sousa Santos, E. Noriega Angarita, and J. R. Gómez Sarduy. “Identification of Savings Opportunities in a Steel Manufacturing Industry”. International Journal of Energy Economics and Policy, vol. 11, no. 4, June 2021, pp. 43-50, https://www.econjournals.com/index.php/ijeep/article/view/11142.