Iazzolino, G. and Gabriele, R. (2016) “Energy Efficiency and Sustainable Development: An Analysis of Financial Reliability in Energy Service Companies Industry”, International Journal of Energy Economics and Policy, 6(2), pp. 222–233. Available at: https://mail.econjournals.com/index.php/ijeep/article/view/1926 (Accessed: 23 December 2024).