Amanova, Gulnara D., et al. “Accounting of the Enterprise’s Financial Reserves at the Integration of Energy-Saving Principles and Transition to the Concept of Energy-Saving Production”. International Journal of Energy Economics and Policy, vol. 10, no. 2, Jan. 2020, pp. 374-81, https://econjournals.com./index.php/ijeep/article/view/8669.