OHLAN, R. . Energy Efficiency in India’s Iron and Steel Industry: A Firm-level Data Envelopment Analysis . Strategic Planning for Energy and the Environment, [S. l.], v. 38, n. 3, p. 27–36, 2023. Disponível em: https://journals.riverpublishers.com/index.php/SPEE/article/view/19499. Acesso em: 20 may. 2024.